Multi-Section Spreading Board

This will print in two pieces that can be glued together. The width of the grooves are 1/8", 2/8", 3/8", 4/8", and 5/8". Each is 22mm deep to accommodate any standard insect pins. They're 250mm long and 145mm and 155mm wide. The right side is printed with supports for the overhang. Cover the surfaces with EVA foam or cork or whatever you prefer.