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Still at it. Vacuum chamber, check.

In my checkered past, I worked in a foundry that did investment (lost wax) casting so when Richard suggested a sandwich mold that filled from the top, I could...

Thank you very much for the information and the encouragement. I'll need to get a little more comfortable with the equipment and the process before I start to pepper you with questions again. I'll...

Thanks for the advice. One of the things that I have learned (and relearned, and relearned) is about the time value of money. I could spend a get deal of time looking for scrap and second hand shops...

Thanks Richard. Iowa boy myself, Dubuque County.

Just read the msds. Think I'll move the operation out of the kitchen.
http://www.smooth-on.com/msds/files/Smooth-Cast_325,_326,_327.pdf
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I have regretfully concluded that, after several attempts, turning my apartment kitchen into a woodshop was not going to be practical. Routers and power sanders don't seem to be a good fit with pots...