How to Export a LEGO LDD as a 3D Model: 1 Minute to Transform Your LEGO Designs into 3D ModelsSarah ThompsonJun 06, 2025Table of ContentsStep 1: Open Your LEGO LDD ProjectStep 2: Exporting the ModelStep 3: Choose Your Desired FormatStep 4: Importing into 3D SoftwareFAQTable of ContentsStep 1 Open Your LEGO LDD ProjectStep 2 Exporting the ModelStep 3 Choose Your Desired FormatStep 4 Importing into 3D SoftwareFAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeAre you ready to turn your LEGO Digital Designer (LDD) creations into 3D models? Exporting a LEGO LDD file into a usable 3D format can open up endless possibilities for design and 3D printing. In this guide, we'll explore the essential steps to achieve that with ease.Step 1: Open Your LEGO LDD ProjectBegin by launching LEGO Digital Designer and opening the project you wish to export. Make sure your model is fully assembled and ready for export.Step 2: Exporting the ModelTo export your model, go to the 'File' menu and select the option to 'Export.' You will typically see the option to export as an LXF file or as a .OBJ file for 3D model formats.Step 3: Choose Your Desired FormatIf you are looking to use the model with 3D printing software, exporting as an .OBJ file is the most compatible choice.Step 4: Importing into 3D SoftwareOnce you've exported your model, you can now open your 3D modeling software, such as Blender or Tinkercad, and import the .OBJ file you just saved to manipulate it further or prepare it for printing.FAQQ: Can LEGO LDD export to formats like STL directly?A: Unfortunately, LEGO LDD does not support direct STL exports, but you can convert .OBJ files to .STL using various software tools.Home Design for FreePlease check with customer service before testing new feature.