Create new colorways from an existing seamless pattern in seconds. Upload a pattern, extract its colors, swap palettes, and instantly preview the repeating tile. Export alternate colorways without manually recoloring the artwork. Everything runs privately in your browser—no signup required. Includes preset palettes and a 3×3 repeat preview.
Quickly analyze STL and OBJ files directly in your browser. Calculate model volume, dimensions, bounding-box size, and estimated material weight for PLA, PETG, ABS, and resin. Check whether a model fits your printer bed and estimate material needs before slicing. Files are processed privately on your device—no uploads or signup required. Send weight estimates directly to our 3D Print Quote tool for fast cost calculations.
See Etsy, Shopify, and POD profit after listing, transaction, processing, and Offsite Ads fees. Reverse-price to a target margin. Free, in your browser.
Compare Etsy fee assumptions with Shopify and common POD math.
Educational calculator — confirm live fee schedules before pricing.
