How to Convert Multiple CSM Files to STL?
1. Download and Install reaConverter
First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.
2. Load your CSM files
Launch reaConverter and drop in your CSM files. The software queues everything for batch processing with consistent settings.
Add files by dragging them in, browsing folders, or using the right-click menu from Windows Explorer.

3. Select STL as output format
Pick STL as output format and choose the destination folder where you want to save new .stl files.

4. Start CSM to STL conversion
Then simply press the Convert button and your conversion will begin in no time!

Once the conversion is complete, you can find your STL files in the destination folder you selected.









