https://www.youtube.com/watch?v=HVgPM1ojyLw
VOG [1] runs another channel that does a lot of (artistic) metal casting with mostly 3D printed positives, called "lost PLA casting".
He uses casting plaster and built his own vacuum chamber and furnace to improve the quality of his casts.
[1] https://www.youtube.com/channel/UCkEYj8wtK3aEW8vSGhlB43g
VOG [1] runs another channel that does a lot of (artistic) metal casting with mostly 3D printed positives, called "lost PLA casting".
He uses casting plaster and built his own vacuum chamber and furnace to improve the quality of his casts.
[1] https://www.youtube.com/channel/UCkEYj8wtK3aEW8vSGhlB43g