Why DropSee

See what is inside a 3D file without installing a full CAD app.

Use DropSee for a quick, private check of STL, OBJ and 3MF files. Rotate the model, review dimensions and mesh statistics, switch to wireframe, and save a PNG preview directly in your browser.

What you get

Supported today

Open binary or ASCII STL, core OBJ geometry and supported 3MF resources.

Open a file