3 ms·
It was the polymers that needed to be invented. In the 1990s we used to order quick-turn prototype 3D prints for parts to check fit before committing to tooling
by jeffbee 2y ago
It was the polymers that needed to be invented. In the 1990s we used to order quick-turn prototype 3D prints for parts to check fit before committing to tooling for hard materials, but we only had 3 days to work with it before it fell apart into a puddle of goo.
- foxglacier 2y agoI don't think that's a reason. PLA and ABS were invented before the 1990's. What was this self-destructing material, and why?
- kragen 2y agoA surprising number of popular plastics are chemically unstable to one or another extent.
- foxglacier 2y agoBut not 3 days! That sounds like food or ballistic gel, which is also food, I guess.
- kragen 2y agoWell, not the formulations you buy in off-the-shelf products. But in many cases those require extensive purification and stabilization in order to be suitable for such use. PVC in particular was discovered decades before anyone figured out how to make products out of it.