Materializr contributors — official README screenshot docs/hero-mug.png Source: https://github.com/materializr-cad/materializr Image: https://raw.githubusercontent.com/materializr-cad/materializr/main/docs/hero-mug.png Resized and converted to WebP for Help3D Tools on 2026-10-31. GPLv3 and additional permissions: see materializr-license.txt and materializr-license-exceptions.txt.