Add your raw materials and say how much each variant uses: a tote takes 1 yd of canvas, a swatch 0.125 yd, a kit several materials. The app computes how many of each variant you can sell, with a waste allowance and stock reserved for production, and writes that number to your store. Placed orders hold material, completed payments use it, cancels and restocked refunds give it back. Every change lands in a ledger with its reason, and an hourly check fixes anything changed outside the app.

• Variant stock computed from shared materials, with kits of several materials
• Orders hold, use and return material exactly once, edits and refunds included
• Waste allowance and stock reserved for production runs
• Ledger of every change with its reason, plus low-material email alerts
• Material stock per location, and CSV import and export