SIMPLIFY INVENTOR OR STEP .STP FILE

SIMPLIFY INVENTOR OR STEP .STP FILE
Need an .IAM (Assembly) file to run the ShrinkWraper. Use ShrinkWrapper to remove holes and objects less than a certain size. Manually delete and unneeded objects in AutoCAD.

Inventor:

Open IPT file and - File > Export > Cad Format >  STP
Open new Assembly - File > New > Assembly
Assembly > Place from Content Center > Place Imported Cad file. Import STP file into assemble file.
Shrinkwrap options -
  Components - Level of detail to all “Content center and remove parts be size”.
  Features - remove all holes fillets chamfers pockets

 (entget(car(nentsel))) AutoCAD Lisp to list entities .