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Seamly2D 2026.11.9.131

Sewing pattern design software

filecart Linux Updated Nov 09, 2026
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About Seamly2D

Seamly2D is pattern design software to create reusable, scalable, sharable custom-fit patterns
using bespoke tailoring, haute couture, and historical pattern drafting techniques. Seamly2D saves
time and improves fit by creating patterns that are reusable parametric CAD engineering documents.

Unlike other pattern design software, Seamly2D allows designers to have complete control of
the patternmaking process. Each reusable, scalable pattern can read multi-size tables for boutique
sizing, and read individual measurement files for custom-fit.

Seamly2D is open source software released under the GPLv3+ license. Seamly2D is available for
Windows, MacOS, and Linux. Learn more about Seamly2D by joining our active, friendly community
at [link removed]

License: GPL-3.0+
Release info Update on Nov 08, 2026
Release notes What's Changed
• fix: store curve length formula untranslated - issue #1813 by @palepal in https://github.com/FashionFreedom/Seamly2D/pull/1815
• fix: menu issues by @DSCaskey in https://github.com/FashionFreedom/Seamly2D/pull/1799
• fix: print preview icon by @DSCaskey in https://github.com/FashionFreedom/Seamly2D/pull/1800
• fix: known measurement diagrams by @DSCaskey in https://github.com/FashionFreedom/Seamly2D/pull/1801
• feat: update color combobox for darkmode by @DSCaskey in https://github.com/FashionFreedom/Seamly2D/pull/1804
• fix: log Qt font alias hint instead of a popup - issue #1809 by @palepal in https://github.com/FashionFreedom/Seamly2D/pull/1810
• fix: open patterns saved in format prior to 0.7.1 - issue #1821 by @tervehuman in https://github.com/FashionFreedom/Seamly2D/pull/1822
• fix: crash on quit after closing a pattern #issue-#1811 by @palepal in https://github.com/FashionFreedom/Seamly2D/pull/1812
• fix: don't pop up Qt accessibility warnings as message boxes #issue-#1805 by @palepal in https://github.com/FashionFreedom/Seamly2D/pull/1806
• fix: align macOS appearance with application themes - issue #967 by @McRipper in https://github.com/FashionFreedom/Seamly2D/pull/1807
• fix: macos dmg applications shortcut and background by @stevanmarjanovic in https://github.com/FashionFreedom/Seamly2D/pull/1820
• feat: pan beyond scene items view rect by @stevanmarjanovic in https://github.com/FashionFreedom/Seamly2D/pull/1819
• Fix: move tool origin point by @DSCaskey in https://github.com/FashionFreedom/Seamly2D/pull/1827
• fix: silence noisy wayland warnings by @DSCaskey in https://github.com/FashionFreedom/Seamly2D/pull/1829

New Contributors
• @tervehuman made their first contribution in https://github.com/FashionFreedom/Seamly2D/pull/1822
• @McRipper made their first contribution in https://github.com/FashionFreedom/Seamly2D/pull/1807
• @stevanmarjanovic made their first contribution in https://github.com/FashionFreedom/Seamly2D/pull/1820

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