Download and install the latest version of Filestar.
Right click on one or more 3mf file(s) on your desktop and select Convert with Filestar.
Type convert to gltf in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.3mf -c "convert to gltf" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.3mfContract.3mf
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert 3MF to GLTF
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Convert the 3MF files in my Downloads folder to GLTF”
Or run it yourself:
filestarcli -i file.3mf -c "convert to gltf"
Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.
Can my AI agent convert 3MF to GLTF?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.3mf -c "convert to gltf" on your computer, so your files stay on it.
3mf is an additive manufacturing XML-based file format. 3mf files hold data on color, material, and all other details that can't be stored in the STL format.
glTF (GL Transmission Format) is a 3D file format that stores 3D model information in JSON format.