LeoCAD is a CAD program for creating virtual LEGO models. It has an easy to use interface and currently includes over 6000 different pieces created by the LDraw community.



The best 3D Modeler alternative to SR 3D Builder is LeoCAD, which is both free and Open Source. If that doesn't suit you, our users have ranked nine alternatives to SR 3D Builder and eight of them are 3D Modelers so hopefully you can find a suitable replacement. Other interesting 3D Modeler alternatives to SR 3D Builder are Mecabricks.com, LDraw, Stud.io and LDCad.
LeoCAD is a CAD program for creating virtual LEGO models. It has an easy to use interface and currently includes over 6000 different pieces created by the LDraw community.



Mecabricks is the first web service to create, publish and display 3D models and 3D Renderings made with LEGO® bricks. No need to install any plugin, it simply works.



LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models and scenes. You can use it to document models you have physically built, create building instructions just like LEGO, render 3D photo realistic images of your virtual models and...



Stud.io is a powerful but intuitive CAD-like software for building model brick creations, giving the feeling of building with LEGO in real life. It's fully integrated with Bricklink.com to provide a complete online experience that allows sharing and building with others...


LDCad is a multiplatform LDraw (virtual LEGO) editor that lets you edit LDraw model documents in real-time.




MLCad (Mike's Lego CAD) is a powerful CAD system specifically designed to create building instructions as known from Lego, for your own Lego models and creations. MLCad reads and writes LDraw (a program of James Jessiman) compatible files but in an extensive window based...

Bricksmith allows you to create virtual instructions for your Lego creations on your Mac. The magic is based on the LDraw library, a collection of 3D models of Lego building blocks created by enthusiasts from around the world.

MakerBrane is the only universal digital 3D toy builder. Build online with everything from LEGO to Meccano, K'nex, primitives and furniture. Design play sets, share them, view them in 3D in any browser. Nothing to install, it works even from school!.
