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iForge demo, Layout and Squares How to use framing and combination squares including scales, adjustments, magic triangles, basic geometry for measuration. |
Learning metalworking, metalcraft. Metal trade education. Hobbysmith. TOOLS Chapter II, ch.2, tools, These are my shears, measuring, steel square, jewellers snips, divides, compass, hardware store |
Working in Metals by Charles C. Sleffel