LDCad

LDCad: Free LEGO CAD Software

Free and open source software for designing LEGO models in CAD programs, generating assembly instructions, and sharing within the 3D LEGO building community.

What is LDCad?

LDCad is a free, open source computer-aided design (CAD) application specialized for creating LEGO models. It provides tools for digitally designing and sharing LEGO creations through automatic generation of building instructions.

The software has an intuitive drag and drop user interface allowing for easy placement and orientation of specific LEGO bricks and pieces. Users can view their design from multiple angles in a 3D viewer to ensure proper alignment of the pieces. Once the design is complete, LDCad can automatically generate a full set of step-by-step building instructions for others to recreate the model.

One of the key features of LDCad is its integration into the LEGO community. If has collaboration features that allow users to easily share their designs and receive feedback from other LEGO enthusiasts. There is also a built-in connection to an online LEGO parts database so users can search for and incorporate official LEGO components into their models.

Overall, LDCad is well-suited for both amateur and advanced LEGO builders who want to embrace digital design tools. It makes creating and sharing custom LEGO creations more accessible through its approachable interface and extensive library of virtual LEGO pieces.

LDCad Features

Official Links