AssemblyStep / Guides / Updated 2026-11-02

Export a STEP file from Onshape

To make an assembly manual, the STEP file has to contain the whole assembly: every part, its name and where it sits. Here is how to export it from Onshape.

Steps

  1. Open the Assembly tabGo to the Assembly tab of the product (exporting a Part Studio gives the parts without their assembly positions).
  2. Right-click the tab › Export…Right-click the Assembly tab at the bottom of the window and choose Export…
  3. Choose STEPSet Format to STEP. AP242 or AP214 are both fine. Keep the assembly as one file.
  4. DownloadChoose Download, then Export. Onshape prepares the file and your browser downloads the .step.

Tips for a better manual

Next: make the manual

Drag the .step file into the workbench. It opens in your browser; nothing is uploaded.

1 free AI plan a day · your STEP file stays in your browser

Open the workbench

More guides