The turning subreddit started up their monthly challenges again. February's challenge is to turn a sphere. I've had some ...

No surprise, the resin molds didn’t last nearly as long as a proper mold. After 70 shots, the mold was worn beyond what you’d want to use.

A square foot 1″ thick 6061 plate will run you 60-70 bucks, a gallon of epoxy resin will cost about the same but give you over 2x the volume in epoxy alone. A common mix seems to be about 10-20% ...