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u/CaptainCheckmate

Image 1 — Terrible results with copper conductive paint
Image 2 — Terrible results with copper conductive paint
▲ 1 r/electroforming

Terrible results with copper conductive paint

I've been trying to learn electroforming, experimenting by plating some 3d-printed models.

People here advised against graphite DIY and suggested that I buy some real conductive paint, so I splashed out and spent $70 on a can of MG-chemicals 843AR, silver-coated copper. The resistance was between 0 and 15 ohms as measured across any two points. I threw it in the plating mix, and the next day you see the results in the photo: approx 50% splotches of copper and completely naked spots elsewhere..

Previously I did some DIY with graphite powder and a solvent, which you can see in the second picture, it turned out OK although it took forever for the plating to spread over all the graphite.

Bath is pretty normal: 225 g/L copper sulfate, 7.5% sulfuric acid, 50mg/L NaCl, a bit of glycerine and Thiourea. Was working fine with graphite coating, although a bit slow.

Is there perhaps a nuanced way to use the the professional paint that I have missed?

u/CaptainCheckmate — 13 hours ago
▲ 0 r/webdev

Any market for a fully custom high-performance stack?

For a startup, I needed a proof of concept of a high performance market simulator with a basic front-end. I didn't know anything about web dev so I just made the whole thing in what I did know, C++.

So the entire backend is a C++ webserver with my own memoryDB. The frontend does some minimal HTML+CSS+javascript stuff. Point is that I was able to, as a 1-man team, quickly spin up a working prototype of a complex concept in 3-4 weeks.

Obviously a highly non-standard solution, and nobody wants it in a prod environment, but I'm investigating the idea of reusing it somehow.. Maybe another startup also needs a quick and dirty prototype? I know AI changes the game so rapid-prototyping is almost a non-thing now.

What do you guys think?

reddit.com
u/CaptainCheckmate — 4 days ago
▲ 2 r/blenderhelp

How to make the designs on this genie lamp?

I'm trying to make a genie lamp in blender.

The shape is essentially a teapot and there are loads of teapot tutorials, so I think I can figure out how to do the main shape. (Although feel free to give any tips)

But I have no idea how to do the flowery design extrusions. It needs to be 3D geometry in the end because it will go into a 3D printer.

Any ideas please?

u/CaptainCheckmate — 10 days ago
▲ 0 r/Fusion360

How would you go about modelling an aladdin-style oil lamp? I added a couple pictures for reference.

My idea is this:

  • Sketch side profile, use revolve to make a basic "vase"
  • Scale down along the y axis to make ellipsoidal
  • Add a spout by lofting some circles
  • Make a handle by extruding circle along a path

What I don't know is:

  • How to make the spout and handle follow the same contour
  • How to make the patterns

Any tips would be appreciated

u/CaptainCheckmate — 13 days ago
▲ 51 r/Preply

The platform, while greedy AF, actually provides some useful tools. All your students and calendar in one place, payment escrow, and a subscription system that pushes students to "keep learning" (i.e. "keep paying").

You may be tempted to take someone off the platform to save the 20% or whatever you're paying for commission. I too have been tempted. It always ends badly.

The site maintains a certain formality, and in the absence of that, the students become too friendly, messaging you like a friend, asking for last-minute lessons, cancelling last minute, etc. Also in the absence of a subscription they often take a break and then disappear. Finally, if you make a mistake of doing post-paid, you get people who you have to chase for cash.

So overall, I'd say the 20% commission is worth it.

Other things like unpaid trials are still a problem. I hope preply fixes it.

reddit.com
u/CaptainCheckmate — 17 days ago
▲ 9 r/SoftwareEngineerJobs

I had a big corporate career, working in hedge funds and big names in London like Goldman Sachs, Google, Facebook. I took a break to enjoy my life in a cheaper part of the world.

Now I'm toying with the idea of getting back into the industry, but I honestly don't want to pack up my family and move them to London or some other big city.

Is there actually viable work for a senior developer that's not of the spirit "outsource this boring mundane work to some cheap offshore devs" ?

reddit.com
u/CaptainCheckmate — 24 days ago