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Found four intent ptc 3d models.

free
grabcad
Tutorial: How to use Creo Simulate Lite in PTC Creo
free
grabcad
Tutorial: How to model parametric 3D text in PTC Creo Parametric and show design intent
free
grabcad
Tutorial: How to model Effectively in PTC Creo Parametric and show design intent
free
grabcad
Tutorial: How to model Profile CUT in PTC Creo Parametric and show design intent