LeoCAD is described as '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' and is a 3D Modeler in the photos & graphics category. There are more than 10 alternatives to LeoCAD for Windows, Mac, Linux and Web-based. The best LeoCAD alternative is Mecabricks.com, which is free. Other great apps like LeoCAD are LDraw, Stud.io, LDCad and Bricklink Studio.
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...
Studio is a desktop application that allows users to build LEGO models using virtual parts. Users will have the freedom to build anything they want with any LEGO part. By being integrated with the BrickLink catalog, Studio can do things like showing you what part colors are...
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.
Konstruktor provides a 3D environment on your screen in which you build Lego models out of predefined bricks and other subunits. The program comes with well over a thousand pieces already available, and as you make new items you can save them as submodels and use them repeatedly...
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!.
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It works perfectly and you can also render the models.