Pricing is in Euro and is €129 for 1, and €199 for 2.

I do believe for people into high end audio who prefer an extremely neutral sound signature, this will be the small/medium size speaker to beat. In TWS, it should perform quite well as it's basically a mono speaker on each side, so there's no issues with comb filtering running 2 in TWS like the Uboom L as it had stereo drivers on each side.

I'm currently tracking the information about this speaker here https://www.speakerranking.com/portable/speakers/Joy-Oluvsone-sEARius-S1/

And the preorder page is here https://www.patreon.com/oluvsone/posts/joy-oluvsone-s1-171760604

And just to mention, I do not have any ties to Oluv and have never chatted with him. I only am a very satisfied customer of the Uboom L and Uboom X.

I do personally think this speaker is somewhat high priced compared to the hardware cost, but for what it achieves in terms of sound quality, it's actually underpriced compared to what else you can buy in that price range that is equivalent. Although if you want better value, buy a $50 Uboom L

I have personally ordered 2 units with my own money and will have a full review.

Short version: rated 4.5/5 among large portable speakers (Xtreme size) at $85. Pretty deep bass for the size.

What stood out

• Cool lights in the side passive radiators.
• For the best sound quality use Oluv's EQ or Alan Ross's EQ.
• With the stock tuning, this speaker would rank around #24, due to the boosted bass and rising treble.

What to watch for

• Only a single midrange driver, so you only get stereo for the tweeters.
• Sound processing issues with inconsistent bass notes that disappear at low levels like the Soundcore Boom and Soundcore Boost, not great for listening at low levels.
• Quite bass heavy with BassUp turned on, which is best left off.
• A little bit of a bright tuning in the treble, about +5db.

How it compares

• Tribit Stormbox Lava: 4.6/5, $100 (side by side)
• Marshall Middleton: 4.0/5, $150 (side by side)
• Soundcore Motion X600: 4.3/5, $150 (side by side)

Spec	Value
Battery Life	24 hours (Manufacturer specified)
IP Rating	IPX7
Weight	1.68 kg
Drivers	120mm x 90mm woofer, 2x 20mm tweeters
Maximum SPL	105dB (measured by Alan Ross Reviews)
Bass Extension (-10dB)	47Hz
Party Mode	Yes (PartyCast 2.0 up to 100 speakers)

Sources

• Alan Ross Reviews: Ultimate Soundcore Boom 2 Review - Is It Worth The Hype?
• JOY‘s 3D Audio Show: Tribit StormBox Lava vs SoundCore Boom 2 - sound quality demo
• JOY‘s 🎧3D🔈Audio-Show: JBL Charge 6 vs SoundCore Boom 2 - David vs Goliath
• Mateusz Cholewa: TRIBIT StormBox LAVA vs Soundcore BOOM 2
• Joy & Oluv'Sone: Bose SoundLink Max & SoundCore Boom 2 - indoor soundtest
• Joy & Oluv'Sone: Bose SoundLink Max & SoundCore Boom 2 - outdoor soundtest
• Joy & Oluv'Sone: Best portable speakers 2025 - get the best bang for your buck $$$
• Oluv Patreon: SoundCore Boom 3i - first impressions & EQs
• 7 more on the speaker page

Would you spend $15 more on the Tribit Stormbox Lava, or is the Soundcore Boom 2 enough? If you own one, how has it held up?

I run speakerranking.com, where these summaries come from. Its store links are affiliate links, which never affect a rating. Ratings are out of 5 and compare speakers of the same size.

Two speakers people cross-shop all the time:

• JBL Charge 5: 4.0/5, $140
• Minirig 4: 4.3/5, $230

The side by side comparison has the specs and reviews.

Which would you take for the beach or a picnic, and why? If you own either one, how does it hold up?

I run speakerranking.com, where these ratings come from. Ratings are out of 5 and compare speakers of the same size.

Short version: rated 4.5/5 among boombox speakers at $180. Amazing speaker given its size, competes well with some speakers in the Party size class, bass almost as deep as a Partybox 100.

Every other boombox at $200 or less rates lower.

What stood out

• Quite neutral in the default and xbass modes, but try Oluv's EQ or Alan Ross's EQ for a slightly more neutral sound.
• Oluv has mentioned v3.5 now uses his EQ as the defaults and sounds extremely good.
• 2 different light modes or can be turned off.

What to watch for

• Lacks a bit of detail compared to the top ranked speakers in other size categories, dip at 5.5kHz.
• Without the above EQ this speaker would rank around #4 in the rankings.
• The curved underside of the handle makes it a little harder to grip and can be uncomfortable to carry long distances.

How it compares

• JBL Authentics 300: 3.5/5, $300 (side by side)
• JBL Partybox Encore Essential 2: 4.3/5, $219 (side by side)
• Zealot ZE41: 4.1/5, $260 (side by side)

Spec	Value
Battery Life	30 hours (Manufacturer specified)
IP Rating	IPX7
Weight	5.45 kg
Drivers	2x ~107mm (4.2") woofers + 2x ~25mm tweeters
Maximum SPL	108dB (measured by Alan Ross Reviews)
Bass Extension (-10dB)	43Hz
Party Mode	No

Sources

• Alan Ross Reviews: Tribit Stormbox Blast Firmware Update 5.2 and other things.......
• Alan Ross Reviews: Tribit Stormbox Blast vs JBL Boombox 2 big bass boombox speakers 💕
• Alan Ross Reviews: pound for pound battle! WKing X20 D20 vs Stormbox Blast! OMG its a shocker!
• Alan Ross Reviews: Tribit Stormbox Blast compared to the 2022 StormBox Blast, i wasn't expecting this!
• Alan Ross Reviews: Soundcore Motion x600 (best speaker ever) or two motion booms?
• Alan Ross Reviews: Tribit Stormbox Blast or two Motion Boom Pluses for best cheap boombox?
• Alan Ross Reviews: Tribit Stormbox Blast or Harman Kardon Go+ Play 2 Mini by an old bloke!
• Alan Ross Reviews: Not quite! JBL Authentics 300 review and sound test vs Boombox 3, Encore and Stormbox Blast
• 24 more on the speaker page

The JBL Authentics 300 costs $120 more but rates lower here. Anyone prefer it anyway, and why? If you own one, how has it held up?

I run speakerranking.com, where these summaries come from. Its store links are affiliate links, which never affect a rating. Ratings are out of 5 and compare speakers of the same size.

Short version: rated 4.6/5 among large portable speakers (Xtreme size) at $100. A powerful, IP67-rated portable speaker with a measured 44Hz -10dB bass point, 10-band app EQ, aux input and 24-hour claimed battery life.

Every other large portable speaker at $100 or less rates lower.

What stood out

• Independent reviews find that it gets loud with impactful bass, and careful EQ or current firmware can produce relatively clean sound through the mids and highs.

What to watch for

• XBass can make the low end muddy and obscure vocals, while the deepest notes lose authority and clarity falls at maximum volume.
• It is heavy for its size, its front-facing design has a narrow soundstage, and one review noted a brief sound interruption while changing volume; use a restrained EQ rather than expecting neutral sound out of the box.

How it compares

• Soundcore Boom 2: 4.5/5, $90 (side by side)
• Marshall Middleton: 4.0/5, $211 (side by side)
• Marshall Stockwell II: 4.5/5, $230 (side by side)

Spec	Value
Battery Life	24 hours (Manufacturer specified)
IP Rating	IP67
Weight	2.37 kg
Drivers	2x 70mm woofers, 2x 30mm tweeters
Maximum SPL	108dB (measured by Alan Ross Reviews)
Bass Extension (-10dB)	44Hz
Party Mode	No

Sources

• Alan Ross Reviews: Tribit Stormbox Lava Latest Firmware Update Result! v2.0.3
• Alan Ross Reviews: From harsh to smooth with these EQ settings - Tribit StormBox Lava
• Alan Ross Reviews: Tribit StormBox Lava Just Got a MASSIVE Update… WOW! 🔥
• Alan Ross Reviews: Some people love the Tribit Stormbox Lava, highly professional review 😁
• JOY‘s 3D Audio Show: Tribit StormBox Lava vs SoundCore Boom 2 - sound quality demo
• Oluv Patreon: An evening with the "best portable speakers"?
• Mateusz Cholewa: Tribit Stormbox Blast 🎶 🆚Deep BASS - Tribit Stormbox LAVA
• Mateusz Cholewa: TRIBIT StormBox LAVA vs EarFun UBOOM X
• 5 more on the speaker page

Is the Tribit Stormbox Lava worth $10 more than the Soundcore Boom 2? If you own one, how has it held up?

I run speakerranking.com, where these summaries come from. Its store links are affiliate links, which never affect a rating. Ratings are out of 5 and compare speakers of the same size.

Stop wasting time on biased reviews. Find the right speaker for your room and budget in minutes. New to this? Start with the Bluetooth Speaker Buyer's Guide.

831 speakers ranked · 22 ranked lists · 48 reviewers analyzed

Popular Picks

• Earfun Uboom L (Portable Medium Speaker) - $50 after coupon UBOOMLWC
• Tribit Stormbox Lava (Portable Large Speaker) - $100
• Tribit Stormbox Blast (Portable Boombox Speaker) - $179.99
• JBL Partybox 330 (Party Speaker) - $629.95
• Kali LP-UNF (Powered Speaker) - $349.00
• ELAC Debut 2.0 B6.2 (Passive Speaker) - $479.00

Top Recommended Speakers By Attribute

Portable Speakers: Buyer's Guide, Sound Quality, Audiophile, Inexpensive, Bass, Loudest, Aux Input, USB Audio Input, Mic Input, SD Card Slot, Wifi, Wireless Mic, Built-in Mic, Removable Battery, Party Mode, Outdoor Usage, Best Brands, Loudest Party Speakers, Top Reviewers Choice

Home Speakers: Powered Buyer's Guide, Passive Buyer's Guide, Powered Speakers, Passive Speakers, Computer Desk, Studio Monitors, Wi-Fi & Streaming, Turntable, Budget Powered, Budget Passive, Tube & Low-Power Amps, Powered Subwoofers, Passive Subwoofers

Subwoofers By Use: Buyer's Guide, Home Theater, Music, Sealed, Ported, Small Rooms, Under $500

More Ways To Browse: Head-to-Head Comparisons, By Brand, Party Mode Tech, EQ Presets, Discontinued

Browse All Rankings

Portable Bluetooth

Small (46), Medium (134), Large (75), Boombox (70), Party (46), Large Party (10)

Powered Home

• Bookshelf: Small (8), Medium (24), Large (20)
• Desktop: Small (1), Medium (13), Large (4)
• Floorstanding: Large (2)
• Subwoofer: Small (42), Medium (137), Large (97)

Passive Home

• Bookshelf: Medium (21), Large (47)
• Floorstanding: Large (25)
• Subwoofer: Small (2), Medium (0), Large (7)

Why Trust These Rankings

• 100% Independent Rankings: No manufacturer influence and no sponsorships. We earn a small affiliate commission when you buy through our links, but it never affects how speakers are ranked.
• Months of Research, Minutes to Find: We've analyzed reviews from top unbiased audio reviewers (Oluv, Alan Ross, Erin's Audio Corner, Audio Science Review, GR-Research) and compiled everything into easy-to-navigate lists.
• Complete Transparency: Every ranking links to the videos, measurements, and reviews we used. Verify our conclusions yourself. Read more about us and how we rank speakers.

Frequently Asked Questions

How do you rank speakers? We compile independent measurements and expert reviews (Erin's Audio Corner, Audio Science Review, Oluv, Alan Ross, GR-Research) and rank each speaker by measured sound quality within its size and category. See how we rank speakers.

Are these rankings sponsored or paid? No. We accept no payments, sponsorships, or free products from manufacturers in exchange for placement. We use affiliate links to fund the site, but they never influence the rankings.

What is the best speaker? It depends on your category and budget. Start with our best-of picks for portable, powered, and passive speakers.

How often are the rankings updated? Continuously, as new speakers and measurements are released. Every page shows its own last-updated date.

Just built this page on SpeakerRanking that lists out every single party mode technology and has individual pages for each of them with the full lists of speakers that support each technology, all thanks to the data in the rankings. I don't think a list like this exists anywhere else. Check it out!

https://www.speakerranking.com/party-mode/

“Party mode” is not one feature. It is at least 32 different, mostly incompatible technologies, each locked to one brand (Auracast is the exception - it is an open Bluetooth LE Audio standard, not a brand’s own system). Two speakers with a “party mode” spec do not necessarily work together, even from the same brand: JBL alone has shipped four generations (Connect, Connect+, PartyBoost, Auracast) that do not talk to each other.

This page lists every one of those technologies found across our rankings, each with its own page showing exactly which ranked speakers support it, grouped by size class. If you already own a speaker and want to know what it can be paired with, find its technology below.

Why This Matters Before You Buy A Second Speaker

Buying into a party-mode ecosystem is a lock-in decision, whether or not it feels like one. Confirm the exact technology name (not just “yes, it has party mode”) before assuming a second speaker will join the first - and if the two speakers are different brands, assume they will not, unless both explicitly support Auracast.

152 speakers across our rankings support some form of multi-speaker pairing.

Some fill ports you just cannot get a funnel over. They sit behind a bracket, down beside the engine, or under a shelf where the bottle and the funnel refuse to occupy the same space at the same time. So I built a long, rigid spout for it: you pour into a flared funnel on the side of the tube, near the capped end, and the liquid runs the length of the tube and out the far end, which is the end you park in the port. Putting the opening on the side instead of in line with the tube means you get to hold the bottle upright and comfortable while the spout does the reaching. The only thing better than this would be a liquid transfer pump and hose.

The cross section is a regular octagon, which turned out to be the detail that makes the whole thing practical: it prints lying flat on one of its own flat faces with no supports, and it does not roll off the bench between pours.

Link: https://makerworld.com/en/models/3119369-parametric-long-horizontal-funnel-with-extension#profileId-3518703

Key Features:

• Side pour funnel: a properly enclosed chute with a floor, a roof, and two flared walls, not an open trough, so what you pour stays in it.
• Capped back end: the tube is closed off behind the funnel, so everything goes one direction.
• Chainable slip-fit extensions: the socket slides over the tube's open end, then the far end tapers back down to exactly the tube's own outside size, so the next extension slips onto that one the same way. Chain as many as the job needs.
• Everything parametric: tube width and length, wall thickness, funnel height, flare size, socket depth, extension length, and the fit clearance are all direct inputs.

It prints exactly as generated, tube flat on the bed with the funnel pointing up, no supports needed anywhere since the octagon's facets and the funnel's flare are all 45 degrees or shallower. I would run 3-4 perimeters on it; it carries liquid, and the extra walls are what keep it from weeping at the seams.

For material: PETG, ASA, or ABS if you are pouring oil, fuel, coolant, or anything else automotive, or anything warm. Save PLA for cool water and dry goods well away from a car.

One tip: slip_fit_clearance is the number worth a test print, since the right value depends on your printer far more than on the model. Turn extension_length way down and print just the socket to check it, rather than finding out at the end of a full length of filament.

Everything is in the MakerWorld Customizer, no editing required. If there is a fill port you have been fighting with that this would not reach, tell me about it and I will see what it needs.

Some of you have seen my Bluetooth speaker rankings project before. It's an independent ranking of 370 Bluetooth speakers - small, medium, large, boombox, party, and large-party size classes - plus powered/passive home speakers and subs, all by measured sound quality. No sponsorships, no paid placements, no free units from manufacturers. A bunch of you said it was useful but honestly kind of a wall of text, so I spent the last few weeks rebuilding it around that feedback.

Link: https://www.speakerranking.com/

What's new:

• Search: type any speaker name and jump straight to it instead of hunting through lists.
• Star ratings on every speaker, so you can gauge a pick at a glance (Bluetooth speakers are ranked by measured performance within their size class; subs use CEA-2010 output).
• Cleaner homepage: browse by category tiles - small/medium/large/boombox/party/large-party for portables - instead of endless bullet lists.
• Comparison tables you can actually customize: add or remove any spec column (battery, IP rating, driver size, frequency response, whatever) and sort by it.
• Sound-sample videos play inline: the reviewer comparison clips open right on the page instead of throwing you out to YouTube.
• A reviewer trust ranking: I dug through 48 speaker "reviewers" and flagged who's genuinely independent vs. who got paid by Soundcore (and others) to push a script. If you're sick of the paid-shill Boom 2 Plus videos, this part's for you.
• The walls of text are gone. Everything's scannable now.

It's free, every ranking links out to the measurements and reviews it's based on so you can check my work, and the only money involved is affiliate links that never touch the rankings.

I'd genuinely love feedback: what's still confusing, which Bluetooth speakers I'm missing, and what you'd want next. Roast the picks. That's how it gets better.

Hey everyone,

Every funnel I've ever used glugs: the bottle neck seals up, air gets trapped, and the pour backs up into that annoying glug-glug-glug instead of flowing fast. I looked around and couldn't find a single parametric fast-flow funnel anywhere, so I built one. Vent ribs run the entire length of the funnel wall, from spout tip to rim, holding the bottle's neck slightly open so air can escape the whole time liquid is pouring in. That's the entire point of this project; everything else is built around it.

I've tested the flow rate and the one in the default profile can fast flow a 2L bottle at about 200mL/s, so it can fill a 2L bottle in about 10s.

Link: https://makerworld.com/en/models/3083665-parametric-customizable-size-fast-flow-funnel#profileId-3473341

Key Features:

• Fast, glug-free flow: vent ribs follow the shell's exact curve from the spout tip all the way to the rim, holding the neck open just enough for air to escape while liquid pours in at full speed. This is why the funnel exists.
• Four-diameter taper profile: set the spout tip diameter, two midpoint diameters, and the top opening diameter, plus the three heights between them, all as direct inputs. Since the curve blends smoothly at every diameter, you're not limited to a plain cone; bump a midpoint diameter up for a bulged, hourglass, or barrel shape, with no visible kink anywhere.
• True exterior diameters: every diameter you dial in is the actual printed OD at that height, vent ribs included, so what you set is what comes off the bed.
• Optional rim flange and hanging handle, both fully adjustable.
• Cross-section preview mode in the Customizer so you can inspect the wall thickness and curve before committing to a print.

It prints wide mouth down on the bed with the spout pointing up, no supports needed anywhere since the diameter only ever decreases going up.

For material: PLA is fine for water and dry goods, but if you're pouring anything hot, or oil, fuel, or other automotive fluids, go with PETG, ASA, or ABS instead.

Everything is in the MakerWorld Customizer, no editing required. Let me know if there's a funnel feature you keep wishing existed and I'll see about adding it.

Hey everyone,

Every funnel I've ever used glugs: the bottle neck seals up, air gets trapped, and the pour backs up into that annoying glug-glug-glug instead of flowing fast. I looked around and couldn't find a single parametric fast-flow funnel anywhere, so I built one. Vent ribs run the entire length of the funnel wall, from spout tip to rim, holding the bottle's neck slightly open so air can escape the whole time liquid is pouring in. That's the entire point of this project; everything else is built around it.

I've tested the flow rate and the one in the default profile can fast flow a 2L bottle at about 200mL/s, so it can fill a 2L bottle in about 10s.

Link: https://makerworld.com/en/models/3083665-customizable-size-parametric-fast-flow-funnel#profileId-3473341

Key Features:

• Fast, glug-free flow: vent ribs follow the shell's exact curve from the spout tip all the way to the rim, holding the neck open just enough for air to escape while liquid pours in at full speed. This is why the funnel exists.
• Four-diameter taper profile: set the spout tip diameter, two midpoint diameters, and the top opening diameter, plus the three heights between them, all as direct inputs. Since the curve blends smoothly at every diameter, you're not limited to a plain cone; bump a midpoint diameter up for a bulged, hourglass, or barrel shape, with no visible kink anywhere.
• True exterior diameters: every diameter you dial in is the actual printed OD at that height, vent ribs included, so what you set is what comes off the bed.
• Optional rim flange and hanging handle, both fully adjustable.
• Cross-section preview mode in the Customizer so you can inspect the wall thickness and curve before committing to a print.

It prints wide mouth down on the bed with the spout pointing up, no supports needed anywhere since the diameter only ever decreases going up.

For material: PLA is fine for water and dry goods, but if you're pouring anything hot, or oil, fuel, or other automotive fluids, go with PETG, ASA, or ABS instead.

Everything is in the MakerWorld Customizer, no editing required. Let me know if there's a funnel feature you keep wishing existed and I'll see about adding it.

Every time I iterate on a build I end up back in CAD changing the same three things: the port dimensions when tuning shifts, the waveguide throat when I swap drivers, the terminal cup when the cabinet depth changes. I finally got tired of it and made proper parametric generators for all three in OpenSCAD. Sharing them here in case anyone else is stuck in the same loop.

Bass Reflex Port

https://makerworld.com/en/models/2916325-parametric-speaker-smooth-flow-port-generator#profileId-3262338

Set inner diameter and tube length. Those numbers drive tuning; everything else is cosmetic or mounting.

Both ends have optional bell-mouth flares with independent radial extent and axial length per side. The profile is a quarter-ellipse oriented so dr/dt = 0 at the tube junction, meaning the flare blends in with zero slope discontinuity. No visible crease, no kink. It matters more than you'd think: a hard corner at the throat is a turbulence trigger at high excursion.

The port_length parameter is the straight section only. When you're plugging numbers into WinISD, subtract end corrections for the flared ends (roughly 0.85 × tube radius per flared end) to get your effective acoustic length.

Slip-fit fins on by default. Drill your baffle hole slightly undersized, press the port in, done. Or enable countersunk screw holes if you want a bolted mount. Both options supported simultaneously if you want belt-and-suspenders.

TPU gasket mode: switch the view selector to gasket and it generates a matching annular ring sized to the flange OD with screw holes in the same pattern.

Print: for best surface quality on the exterior flare, print exterior-flare-up with supports. If your filament handles overhangs well, exterior-flare-down with no supports.

Speaker Waveguide

https://makerworld.com/en/models/2923238-custom-parametric-speaker-waveguide-generator#profileId-3271400

Parametric acoustic lens for compression drivers, dome tweeters, ribbons, and planars.

Four flare profiles: Conical, Exponential, Elliptical, and Tractrix. Tractrix is where I'd start for most applications; it gives the most controlled directivity and the gentlest expansion near the throat. The profile is computed analytically so you're getting the real curve, not an approximation.

Circular or rectangular throat. Rectangular mode lofts rect-to-rect with independent corner radii at both ends; the transition is smooth, not faceted.

Speaker mount posts with real ISO internal thread geometry. Select M2-M8, and the bore comes out threaded off the printer: no tap required. Four mount patterns: 4-point rectangular for standard speaker bolt grids, and 3, 5, or 6-point circular for drivers with a bolt circle. Set BCD and rotate the pattern to clear obstructions.

TPU gasket mode here too. Same idea: switch to gasket, export a second file, print in TPU, get a compliant acoustic seal between waveguide and baffle.

Print: for best surface quality on the mouth face, print mouth-face-up with supports. If your filament handles overhangs well, mouth-face-down with no supports.

Terminal Cup

https://makerworld.com/en/models/2912884-parametric-speaker-terminal-cup-generator#profileId-3258031

Round or rectangular body, any size, configurable wall thickness and depth. Down to zero depth if you want a flush terminal plate with no cup.

The mount hole placement on the rectangular variant accounts for the flange corner radius: corner holes shift diagonally inward so they land in the straight-edge portion of the flange where there's actual material, not in the curved corner where they'd be close to the edge.

Countersink geometry is computed from the included angle, so it's correct for both 82-degree imperial and 90-degree metric flat-head screws.

Terminal holes are a columns-by-rows grid with configurable diameter and spacing. Set it to 0-by-0 for a blank panel: useful for covering an unused cutout or filling a hole from a driver you removed.

TPU gasket mode here as well. Generates a matching annular gasket with the same OD as the flange, inner clearance sized to slip over the cup, and screw holes aligned to the mount pattern.

Why I'm sharing all three together

They use the same workflow: dial in parameters, export STL, drop into your slicer. All three have matching TPU gasket modes so you can get a soft seal on every interface.

Let me know if there's any features to add or if you find any bugs!

https://makerworld.com/en/models/2824377-model-3-y-highland-juniper-behind-screen-storage#profileId-3145939

I wasn't happy with the storage trays on Amazon for the Model 3/Y as they were all flat bottom, didn't have much depth or space and things would just slide around in them, so I designed my own. This one doesn't have a flat bottom and follows all the dash and screen curves to give the deepest storage tray possible. I designed it specifically for a 2026 Juniper Premium with the 16" screen, but from results on Amazon it appears it should fit 2024+ Model 3 Highland and 2025+ Model Y Juniper.

It has a non flat bottom so sunglasses won't rattle around. 

I recommend printing it out of TPU so sunglasses won't make noise banging around in it, but ASA, ABS or PETG are also okay in a hot car.

There's 2 profiles, a 250mm long one and a 160mm long one (for A1 Mini users or someone who wants to print 2 to span the whole length. The screen width is 332mm in the 15.4" screen and 353mm in the 16" screen

https://makerworld.com/en/models/2823560-universal-parametric-appliance-knob-generator#profileId-3144833

I recently had a knob break on a 40 year old stove, and finding a matching replacement was a nightmare. So, I built a "one script to rule them all" knob generator in OpenSCAD.

It's highly detailed:

• 40+ Parameters: Total control over every curve, angle, and dimension.
• Unique "Nose Angle" Logic: Recreate that specific sloped look on industrial bar handles.
• Intelligent Edges: Choose between Fillets, Chamfers, or Spherical tops that won't break the geometry.
• Hardware Clearances: Integrated bottom recess for mounting nuts and raised hubs.
• Pro Indicators: Place indicators on the body OR the grip, with adjustable depth and angle.

It supports:

• Professional Finishes: Add fillets, chamfers, or spherical tops to match original equipment perfectly.
• Advanced Bar Handles: Customizable length, width, taper, and sloped "nose" angles for indicator ends.
• Styles: Bar Handle, Fluted, Knurled, Skirted, Pointer, and Classic smooth.
• Shafts: D-shafts, Round shafts, and Splined/Star shafts (with adjustable tolerance).
• Indicators: Recessed lines, dots, or physical pointers (on the knob or the grip).
• Universal Fit: Includes a bottom indent option for appliances with raised mounting nuts or hubs.

It's been great for fixing old stoves, guitar amps, and even some lab equipment.

Pro-tip for printing: If you're using it for a stove, definitely use a high-temp material like ASA or at least PETG. PLA will eventually sag from the ambient heat of the oven!

Hope this helps someone else fix their "unfixable" vintage gear!

https://makerworld.com/en/models/2823560-universal-parametric-appliance-knob-generator#profileId-3144833

I recently had a knob break on a 40 year old stove, and finding a matching replacement was a nightmare. So, I built a "one script to rule them all" knob generator in OpenSCAD.

It's highly detailed:

• 40+ Parameters: Total control over every curve, angle, and dimension.
• Unique "Nose Angle" Logic: Recreate that specific sloped look on industrial bar handles.
• Intelligent Edges: Choose between Fillets, Chamfers, or Spherical tops that won't break the geometry.
• Hardware Clearances: Integrated bottom recess for mounting nuts and raised hubs.
• Pro Indicators: Place indicators on the body OR the grip, with adjustable depth and angle.

It supports:

• Professional Finishes: Add fillets, chamfers, or spherical tops to match original equipment perfectly.
• Advanced Bar Handles: Customizable length, width, taper, and sloped "nose" angles for indicator ends.
• Styles: Bar Handle, Fluted, Knurled, Skirted, Pointer, and Classic smooth.
• Shafts: D-shafts, Round shafts, and Splined/Star shafts (with adjustable tolerance).
• Indicators: Recessed lines, dots, or physical pointers (on the knob or the grip).
• Universal Fit: Includes a bottom indent option for appliances with raised mounting nuts or hubs.

It's been great for fixing old stoves, guitar amps, and even some lab equipment.

Pro-tip for printing: If you're using it for a stove, definitely use a high-temp material like ASA or at least PETG. PLA will eventually sag from the ambient heat of the oven!

Hope this helps someone else fix their "unfixable" vintage gear!

Hey everyone,

I updated my OpenSCAD bumpstop generator. This time, I've moved away from internal infill geometry entirely. Instead, the script uses actual physics to calculate the exact wall thickness needed to hit a specific stiffness target in kg/mm.

Link: https://makerworld.com/en/models/2792707-parametric-tpu-bumpstop-stiffness-based-kg-mm#profileId-3105603

How it works: The script is calibrated for TPU 95A. When you set a stiffness target (e.g., 20kg/mm), it calculates the required cross-sectional area and applies it as a specific thickness to both the outer skin and the inner mounting column.

Latest Updates:

• Smooth Tapered Walls: Each of the three zones (top, middle, bottom) now transitions smoothly into the next. No more sharp steps inside the part—it's a clean, continuous internal taper that hits your stiffness targets perfectly.
• Cross-Section Preview: Added a toggle so you can see the internal "skeleton" that creates the progressive rate. The view is now rotatable so you can inspect it from any angle.
• Internal Fillets: Added stress-relief fillets to the top of the internal cavity. This prevents the "tearing" that usually happens at sharp internal corners during heavy compression.
• Venting Safety: The script automatically caps the wall thickness so that an air gap always remains in the center. This prevents the part from blowing out the side due to air pressure.
• Base Connectors: Added a set of radial spokes at the bottom to lock the inner and outer walls together. This keeps the part stable while still allowing for the progressive rate wall design.
• Minimum Wall Safety: Ensures you always have a printable amount of perimeters, regardless of how soft you set the target.

Standard Features:

• Fully Parametric: Adjust diameters, height, taper, and top rounding.
• Flexible Mounting: Toggle between a "Shaft" mode (simple through-hole) or a "Bolt" mode (recessed counterbore).

I've been printing these in 95A TPU. Because the grid is part of the STL, you just set your slicer to 100% infill and 999 walls and let the printed geometry do the work.

Safety Note: Be careful with automotive/high-load applications. These are great for tuning and prototyping, but always test thoroughly!

Let me know what you think!

Someone mentioned it would be nice to have a parametric automotive bumpstop, so I decided to just build a generator for it in OpenSCAD. It turned out pretty versatile, so I thought I'd share it! It supports everything from simple cylinders and cones to ribbed "progressive" style bumpers that get stiffer as they compress.

Link: https://makerworld.com/en/models/2792707-tpu-customized-parameterized-universal-bumpstop#profileId-3105603

Key Features:

• Fully Parametric: Adjust diameters, height, and taper.
• Flexible Mounting: You can toggle between a "Shaft" mode (simple through-hole) or a "Bolt" mode (recessed counterbore from the top).
• Adjustable Seat Height: You can set exactly how much TPU is between the mounting surface and the bolt head to prevent it from tearing out.
• Progressive Ribbing: You can add any number of ribs/segments and control the "bulge" for that classic rubber bumper look.
• Optional Base Plate: Adds an integrated plate if you need a wider footprint for mounting.

I've been printing these in 95A TPU with about 100 walls and 100% infill and they feel incredibly stout.

Safety Note: As always, be careful using printed parts for critical mechanical or automotive applications. These are great for prototyping or specific off-road needs, but use your best judgment!

Would love to know if there are any other features you'd like to see added.

My other projects:

• Parametric TPU Bellows: Custom Dust Boots & Covers
• Customizable Parameterized TPU Gaskets / O-rings
• Fully Customizable Parameterized TPU Bushing

If you've ever tried to find a replacement boot for an old steering rack, a custom shifter setup, or a weird CV joint on a project car, you know the struggle. You either buy a "universal" one that fits like a trash bag, or you spend hours on eBay looking for a NOS part that's already dry-rotted.

I got tired of it, so I wrote this OpenSCAD script to generate custom TPU bellows for exactly this reason.

Link: https://makerworld.com/en/models/2763439-parametric-tpu-bellows-custom-dust-boots-covers#profileId-3068396

Why this is useful for car parts:

1. Rounded Wave Profile: Defaults to a smooth, rounded wave profile. These last way longer in TPU because they eliminate the stress concentrations found in sharp zig-zags. (Zig-zag style is still available if you prefer it).
2. Mixed Shape Geometry: You can mix and match circular and rectangular shapes. Need a rectangular bottom cuff with a rectangular bellow and a round top cuff for a shifter boot? It handles the transition math automatically.
3. Decoupled Cuff Sizing: You can set the top and bottom cuff sizes independently of the bellows opening. This lets you create perfect clamping surfaces even if the hardware you're connecting to is much larger than the boot itself.
4. Reinforced Cuffs & Transition Zones: Includes dedicated straight clamping sections at both ends for hose clamps or zip ties. You can set independent transition heights to bridge any difference in size or shape between your mounting points and the flexible bellows folds.
5. No supports needed: The folds are optimized with 45-degree angles so it prints clean in TPU without internal or external supports.
6. Split Mode: Includes a toggle to add a slit down the side so you can wrap it around a rod or cable that's already installed without taking your whole assembly apart.

Printing Tips for Car Use:

• Filament: Use 95A TPU for most things. If it's near the engine, keep in mind TPU's melting temp, but for suspension, steering, and interior, it's solid.
• Walls: I recommend turning up walls to 100 to make it grease-tight and make sure the flex areas are at least 1.5mm thick
• Layer Height: 0.2mm works great for the 45-degree overhangs.

Hope this helps someone get their project back on the road!