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BlocksCAD vs OpenSCAD: catalog facts
BlocksCAD	OpenSCAD
Freemium Basic accounts are free; education features have a 30-day trial or come through a school…	Free Free and open source, funded through Open Collective.
Web	Windows, macOS, Linux
Block-based programming suited to beginners Runs in the browser with no install	A script is a design, so parameterised objects and version control come for free Constructive solid geometry and 2D extrusion, aimed squarely at CAD rather than art
Education features require a trial or school code Aimed at learning rather than detailed engineering work	The last tagged stable release is 2021.01, so in practice people run development snapshots Not an interactive modeller: you cannot click and drag geometry
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.