![]() ![]() I think my bed temperature was too low, which caused the PLA to warp and not support the PVA. I dried mine at the lowest possible temperature my oven would go to for about 2 hours. This probably isn't safe to do in an oven used for food. The solution: dry the filament out in your oven. ![]() ![]() These both happen when the filament has absorbed too much water from the air. In-between new and so soft it clogs the print, your filament will come out with the occasional popping** sound. This is because I tested it as soon as I received it, but then left it open for a long time before going to print my mold. The only issues I ran into are as follows: I recommend storing the mold in a bag with desiccants if you don't plan on using it right away to prevent water in the air softening your mold. There is nothing too special about printing the mold if you're already proficient it should be easy. Sand and polish the flood coat of resin.Dissolve the plastic in a bath of water.3D print the part out of water soluble filament.This instructables goes through the steps of testing my idea. I couldn't stop thinking about it in the morning, or for weeks after. However, one night at the precipice of sleep, I had an idea for making intricate carbon fiber parts easily and on a budget. I found that molding carbon fiber is a difficult, expensive, and labor intensive process involving multiple part molds of high surface finish, pressurized balloons, etc. Hoping to complete it before I graduate, I thought it best to start doing research. I started Bike Builders at Berkeley with one main goal in mind: build a full suspension carbon fiber mountain bike. Wondering why I should get your vote? Read to the end to find out! I used Fusion 360 to design the mold, and 3D printed the mold out of PVA filament. For the 3D printed student design challenge: I am a UC Berkeley Junior studying Mechanical Engineering. ![]()
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