BlockCAD
BlockCAD is freeware software for forming virtual models with Lego-like bricks.
Best BlockCAD Alternatives & Competitors in 2025
The best BlockCAD alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models...
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LDCad is a multiplatform ...
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RealityMAX is the AI-powered 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.
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LeoCAD is a CAD program for creating virtual LEGO models.
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Build LEGO designs online with friends.
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MLCad LEGO Cad Software
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SR3DBuilder is an advanced CAD to create and ANIMATE LEGO models on your PC. Features:
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Mecabricks is an online LEGO building tool.
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In the event that you are a LEGO aficionado and one of your distractions incorporate robots, you most likely found out about LEGO robots.
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Bricksmith allows you to create virtual instructions for your Lego creations on your Mac.
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An open-source parametric 3D modeler
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Konstruktor is an online tool that allows you to build LEGO models and visual infrastructures with the help of built-in bricks and other sub-units quickly.
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LPub3D empowers you to make LEGO-styled developments on your PC, alongside point by point direction manuals.
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Scratch is the programming language & online community where young people create stories, games, & animations.
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