Geometry & Template Lab
Generate precise templates, patterns, and cutting guides for paper crafts and packaging.
Box Template Creator
Generate custom box die-cut templates with fold lines, glue tabs, and downloadable SVG/PDF.
Calligraphy Guideline Generator
Generate custom calligraphy practice sheets with adjustable x-height, slant angle, and script presets. Download SVG or print-ready PDF.
Spine Width Calculator
Calculate book spine width from page count and paper stock. Supports 20 common papers with custom input for unlisted stocks.
Mat Board Margin Calculator
Calculate picture frame mat board margins with bottom-weight compensation. Given a frame, find margins — or given artwork, find the ideal frame size.