Model kit sprue cutter holder and parts tray
Building plastic model kits means dozens of tiny parts and a few sharp tools that roll off the bench. This tray combines a shallow sorting area of 120 x 80 mm with numbered compartments 15 mm deep and a vertical slot at the back that holds sprue cutters, a hobby knife and tweezers blade-down. Walls of 1.5 mm, a 3 mm base and a 2 mm chamfer under the front edge keep it stable while you cut parts loose.
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Design a hobby tray 160 x 100 mm with six 15 mm deep sorting compartments at the front, a rear block 40 mm tall with three vertical tool slots of 12 x 4, 15 x 6 and 10 x 3 mm, 1.5 mm walls and a 3 mm base.