Post by CREG

Spent 6 months learning how make green sand, sand cast, use a furnace, laser etch using a 60watt mopa laser . spent £6000 on gear and virgin cathode that I cut by hand made 23 bars of 50oz .999 copper sold every one of them at a loss on ebay then sold the furnace and the laser etcher , compressor , sand blast cabinet etc. etc ..........next 😆