- Start Autodesk Inventor Nastran.
- From Open, navigate to the C:\Users\Public\Public Documents\Autodesk\Inventor Nastran 2025\Tutorial\en-us\Inventor 2025 folder and open channel.ipt.
- Click File, Save As and save the part as Enforced Displacement Channel.ipt. This allows you to reuse the original part.
- Click
Go to
. Set the units to inch and lbmass (pound). They will become the Default units.
.
- Or, double-click
Units in the tree and select a
Unit System with units set to inches and pounds.
- Click OK.