Molding & Casting: A Zero Clearance Insert

I've been wanting to walk through the steps for simple mold making for a while. This project seemed like the perfect opportunity.
I get to show, mold making, silicone degassing and casting, all for a useful item I've been needing for some time.
Want To Make this Project?
Vacuum Pump: www.bestvaluev...
Pump Flter: www.bestvaluev...
3 Gallon Vacuum Chamber: www.bestvaluev...
Oomoo Silicone: amzn.to/2ES5aeS
Molding clay: amzn.to/2HNDK7M
Mold Release: amzn.to/2D6jAmE
Rubber Mat: amzn.to/2zqriW1
Rubber Gloves: amzn.to/2tYVIRn
Mixing Cups: amzn.to/2C0CGeh
Mixing sticks: amzn.to/2wqtgaB
Total Boat Epoxy: amzn.to/2uSSsnM
Packing Tape: amzn.to/2xEgTX6
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music by Jason Shaw@ audionautix.com