From
Open navigate to the
C:\Users\Public\Public Documents\Autodesk\Inventor Nastran 2024\Tutorial\en-us\Inventor 2024 folder and open
forming assembly.iam.
Click
File,
Save As and save the model as
NL Forming Assembly.iam. This allows you to reuse the original part.
Click
Environments > Autodesk Inventor Nastran.
Go to
Tools > Document Settings > Units. Set the units to meters and kilograms. They will become the
Default units. Or, double-click
Units in the tree and select a
Unit System with units set to meters and kilograms.