how i can get STEP / IGES ???


STEP / IGES in catia , solidworks , 3ds max , inventor pro .......
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Step 1:
STEP / IGES in catia v5
open file in catia v5
and save as igs or stp -
Step 2:
STEP / IGES in Solidworks
open file in Solidworks
and save as igs or stp -
Step 3:
STEP / IGES in inventor pro
open file inventor pro
Export as Cad format -
Step 4:
IGES in 3ds max
open file 3ds max
Export as File