Transforming a Pressure Pot for Resin Casting

I attended a seminar last spring at the Oregon Woodturning Symposium about casting resin. One of the takeaways I got was that I needed to find a used pressure pot to do resin casting in. When casting resin under high air pressure, the bubbles get squeezed down so small that you can’t see them and you get a clear resin cast. I found a pressure pot on Craigslist and picked it up for $25. It needed some work to be converted from a paint pressure pot for paint spraying to one for resin casting. There was a bun