I have always wanted a vacuum chamber for stabilizing knife scales and I finally gave in and bought one. I got a small, inexpensive model off Amazon and I am very impressed with it. I don't have any financial interest in promoting this product.
Link to vacuum chamber: https://www.amazon.com/BACOENG-Gallon-Vacuum-Chamber-Stage/dp/B00W8Z1QTE/ref=sr_1_5?dchild=1&keywords=bacoeng+1+1%2F2+gallon+vacuum+chamber&qid=1586959822&sr=8-5
Link to Resin: https://www.amazon.com/Stabilizing-Resin-stabilization-pourous-Materials/dp/B07TDSFXR4/ref=sr_1_1?dchild=1&keywords=SOS+3.0+resin&qid=1587350530&sr=8-1