Why my first model does not show up?

I uploaded my first model, a STEP file exported from OnShape that works well in Kicad but am getting an error. Any idea what the problem is?

Model here: https://grabcad.com/john.smith-6306/models

Model on OnShape https://cad.onshape.com/documents/908fbbb5e4b2ad933f61b1e0/w/ebe8de5e9395d5f30d08ad3a/e/983d600763f5ed2135b3cce4

Error message: "This model does not appear to contain any geometry. Failure reason: Unknown Error reading model data from SCS file"