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Help Topic: Building Instruction Formats

3D File - LDD/LXF

Use LEGO Digital Designer to open these files and generate step by step building instructions.

3D File - MPD/LDR

These are files created with the LDraw system of software. There are many options available for opening them such as:

  • LDCad
  • SR 3D Builder
  • LDView
  • MLCad
  • Other software can be found at the LDRaw site.