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In the ongoing quest to eliminate bubbles from plaster slip casting molds, I decided to go the overkill route and try using a vacuum chamber. Unfortunately the jury is still out on this one. Clearly there is a lot of air in plaster (even when it is just slaking before mixing). However the time to mix is fighting against the time to degas so the plaster is setting before all of the bubbles are removed. More investigation required!
For those following along with my mold making software - stay tuned! I'm making progress. If you want to sign up for the wait list use this link: shapecastmolds...