Another little HYREL 3D milestone, this time printing with Sugru.
http://sugru.com/us/blog/3d-printing-sugru-for-the-first-time
Isn’t Sugru very expensive per cm3?
Yes. Hence the “little” qualifier.
Sugru is basically silicone with a filler. They have their own formula, but the average Joe can make a suitable substitue with Silicone caulk and cornstarch. Here’s a link from a few years back posted on instructables:
Posted too soon, meant to add that the possibility for a homebrew open printable formula may not be hard to do.