English | 中文
A Blender addon that enables import of CAD files (STEP/IGES formats) through conversion to mesh formats using Mayo conversion toolkit.
-
🚀 CAD Format Support
- Import
.step
,.stp
,.iges
,.igs
files - Supports both drag-and-drop and traditional file import
- Import
-
⚙️ Conversion Options
- Choose between GLTF or OBJ
- Adjustable mesh quality levels (Very Coarse → Very Precise)
- Custom scaling factors (0.0001x to 100x)
-
🧹 Automatic Cleanup
- Optional deletion of intermediate files
- Duplicate material cleanup system
-
🖥️ Workflow Optimization
- Real-time conversion progress monitoring
- Preset system for frequent configurations
- 3D viewport integration
❗ Windows Only
This addon requires Windows
-
Mayo Conversion Tool
Download Mayo-x.x.x-win64-binaries.zip or Mayo-x.x.x-win64-installer.exe from:
https://github.com/fougue/mayo/releases -
Blender
- Blender:4.0 and newer
-
Download the latest
.zip
file from Releases. -
In Blender, go to Edit > Preferences > Add-ons.
-
Click Install... and select the downloaded
.zip
file. -
Enable the checkbox next to "Import CAD Model ".
-
Configure Mayo Path
# In Blender Preferences: Add-ons > Import CAD Model Set path to mayo-conv.exe in addon preferences
-
File Import
File > Import > STEP/IGES (.step/.stp/.iges/.igs)
-
Drag-and-Drop
- Drag files directly into 3D Viewport
Parameter | Description |
---|---|
Output Format | .gltf (hierarchy) / .obj (collections) |
Mesh Quality | Controls BRep conversion precision (trade-off between speed and accuracy) |
Global Scale | Adjust model scaling factor (0.0001-100) |
Post-Process | Auto-delete temp files, clean duplicate materials |
- English
- 中文
- 日本語
- Support opening multiple models at once
- Automatically update models (instead of re-importing them)
Disclaimer
This addon is not affiliated with the Mayo project. CAD conversion quality depends on Mayo's core functionality.