I just completed plans for a new molding bench (for foundry work). The nice thing about this one is it takes just one sheet of 1/2 plywood or OSB (flake board) and five 8' 2X4s. It can be used as a regular workbench when you aren't casting. I put it on a web page here:
Click on "One Sheet Molding Bench." Keep the cats out of your sand!
Ron Thompson On the Beautiful Florida Space Coast, right beside the Kennedy Space Center, USA
-Ron Thompson