Triangle Pyramid (Tetrahedron) is a cool shape to practice welding on as it intentionally throws you out of position, forcing you to weld either uphill or down hill. Each 4 piece kit is cut from 1/8" steel and is ready to weld right out of the bag.
Approximate Assembled Dimensions: 3.5" x 3"
Want to build a D20 (icosahedron)? Buy 5 kits!
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