Here is how I made the riser with diy aluminum casting lost foam tecnique. Next week I'll build steel limbs, stay tuned! More for You. Another California business chooses Texas for expansion.

He 3D printed the part, along with the sprues and risers that go along with casting, in PLA, then dipped the parts in slurry ten (10) times. He heated in a kiln to 500°F (260°C), the PLA melted ...