Seamly2D
Draft a clothing pattern from measurements for a custom-fit garment or size range.
What’s included for free?
The patternmaking application is free open-source software for Windows, macOS and Linux. Patterns can use individual or multi-size measurement files. Local installation and garment/pattern validation are required; no hosted pattern allowance applies.
Where it runs: Local install
Provider information ↗Checked 2026-10-18
Before you use it
GPL-3.0-or-later; meet applicable source and notice requirements when redistributing or modifying software. Imported assets have separate rights.
Provider terms can change. Check current pricing and usage rights before starting a project.