To whoever abandoned their 3rd eye head totem in the trash can outside the main gate when the festival got shut down due to the "storm", I want you to know we gave him a helmet to protect himself and found him a good home. Now 8ball Barry is our newest homie
Hey, everyone I created a google doc with a bunch of sample questions or helping people prepare for a interview with potential academic advisors. This is a broad document aimed at helping all. There are some things that are more tailored to engineering/sciences because I originally created it for myself. I used my experience as a recruiter, and my experience interviewing with 10+ PIs to come up with these questions. If you are looking for very specific questions or advice on specific research topic questions, this is not the document for you. If you have any constructive feedback on how to make the document better, I'd love to hear it.
Biggest advice is to just be yourself and when they ask what type of research are you interested in
The last point is the biggest complaint I've heard from professors and one that will put you at the bottom of the candidate pool. Good luck!
https://docs.google.com/document/d/1uGTAt7ZGb7e8ENQgRKLQDX1f95cu9tBHrqp87xjHqbY/edit?usp=drivesdk
Hey forest fam as a way to help fellow foresters prepare, what are you go to items and camp site hacks to help you stay dry/survive when inclement weather hits?
Not saying it will or won't happen but failing to prepare is preparing to fail. Hoping we don't have to use it 🤞
I'm trying to recreate/remix this planter for my wife but I can't for the life of me figure how to make this work.
Steps I've taken so far with some success:
Create cylinder
Make plane tangent to cylinder face
Create splines on said plane running from top to bottom, and connect end points to create shapes (novice so sorry for poor terminology)
Warp them over the cylinder
I either have issues with either the connecting shapes on the backside creating hard corners where they meet instead of a fluid curve OR I get a message along the lines of "cannot warp due to intersecting contours". For the latter, none of the spline shapes are intersecting on the plane, and this happens for one sketch and not the other.
Hey all,
I'm very new to mold making. I've been trying to make a 2 part mold of a, for lack of better terms, bowl using 3D printed PLA as the mold itself (shown in first 4 images) with platinum cured silicone casted into the mold. The PLA has been coated in a thin layer of XTC-3D to avoid microbubbles escaping from the voids in the 3D print. The mold is split down the middle making two quarter spheres and when combined make a half sphere ~18 cm in diameter. In addition to screwing the mold together at many points along the seam, I also created a gasket (seen in red in image) to hold the two parts together and create what I thought was an airtight seal between the two. The gasket was also covered in a light coat of vacuum grease. I also line the outside of the seam with hot glue. However, when placing the mold inside the vacuum chamber I still get some air bubbles at a few points along the seam which make their way into my silicone part.
I've tried making just a normal bowl mold in the past, but it was damn near impossible to remove the silicone part from the mold without partially destroying the mold and part, especially when I use a 3D printed bowl inset to create an actual bowl with a thin (~1cm) shell. The finished silicone part I want is shown in the last 3 images. This part was made with a single part mold and it was damaged in the process of removal...hence why I made this 2 part mold so it could be easily removed.
Notes:
Anyone have any recommendations on how to improve the overall design to create a seal that can work under vacuum or design considerations to avoid creating a seam down the middle?
TLDR:
I'm trying to make a 2 part mold made of PLA and casted with silicone that when placed in a vacuum chamber does not experience bubbling due to an improper sealing where the two mold pieces connect. What's the best way to do this or design considerations to improve design?
Link to .step file:
https://drive.google.com/file/d/1RXJazqe4nX_puGaPApj6s_Sz1V8o7ZPh/view?usp=sharing
