Exporting from 3D Studio Max

Exporting OpenCOLLADA from 3D Studio Max

Select the object to be exported. Next, open the Export dialog box.

Be sure to select OpenCOLLADA and not Autodesk Collada.

Next, you will be prompted with another set of options for the OpenCOLLADA exporter.

Make sure that triangulate is checked on.

Available under certain Qt licenses.
Find out more.