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PolyLactic Acid. It is a very common 3D printing material. It is biodegradable and has a relatively low melting point. This makes it perfect for lost casting methods, for it melts quickly and does not cause any environmental issues. As stated below, wax will work very well, as it melts at very low temperatures, creating very good casts. Great question! I couldn't even know it was biodegradable, but once you asked that question, it helped me to remember and learn more! Thanks!
Very impressive! How on Earth did you come up with this idea? Great job and keep up the good work!
This is amazing. I've been working with a friend who works with kids that have disabilities. They have had problems with tablet interaction, so this would be awesome. Thank you so much for sharing! I'm amazed at the simplicity of it, while still intrigued by it's complexity. You are awesome!
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