🧶 Handloom Weaving Lab: Warp, Weft, Shed and Fabric Strength — 2D Drafting Board and Strip Test Chart

2D drafting-board companion of the hand-loom lab: weave draft with threading, tie-up and treadling, cloth woven pick by pick, Peirce cross-section, yarn twist-strength curve, crimp against tension and a fibre-bundle tensile strip test from the same maths module as the 3D page.