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BrickHub

instructions, mocs +1

Share and explore free LEGO building instructions with generated steps, parts lists, and 3D models.

Bricksmith

software & apps, instructions

A free, open-source macOS LDraw editor for building virtual LEGO models and documenting them with steps and submodels.

LDCad

software & apps

A free LDraw editor for Windows and Linux that supports real-time model editing, flexible parts, animation, and Lua scripting.

LDView

software & apps, github

A real-time 3D viewer for displaying LDraw models with hardware-accelerated graphics.

LPub3D

instructions

LPub3D is a free, open-source WYSIWYG editor that turns LDraw model files into LEGO-style step-by-step instructions.

MLCad

software & apps, instructions

A Windows LDraw editor for creating virtual LEGO-style models, managing MPD files, and adding instruction steps.