Like all of my designs, it is parametric and was drawn in Onshape. Onshape and all of my designs are parametric and were drawn in Onshape. The Onshape link and the .step file are included here.

https://cad.onshape.com/documents/bc16a359893668f4c136c7b2/w/753a425f049074c7ff5b91c7/e/c6466e22081de568ea382591?renderMode=0&uiState=68e7f8a6fe0c8dc2ae537f87

Based on:

https://www.printables.com/model/1435571-parametric-pumpkin-onshape