Some die casting machines utilize a pneumatic or hydraulic actuator to fill die molds, and the accompanying pneumatic/hydraulic components are necessary. Vacuum casting operations implement a vacuum ...

[Denny] from Shake the Future has just provided an update on his microwave casting process ... although nothing catastrophic as demonstrated. Vacuum is applied to the mold with a silicone sleeve ...

creating a rudimentary but effective vacuum forming machine. The result is a working pencil, at least after he wears down a few razor blades attempting to sharpen the metal pencil. For more ...