Most likely during STEP Import options, you'll simply need to change the value for the option "Extracted Plane".
(Screen capture of the options available when importing a 3D Step file)
Note: The same applies to users who are importing an STL file, and only get a rectangle.
Here's a related topic which may be helpful,
https://numericalinnovations.freshdesk.com/support/discussions/topics/14000003484
Simon Garrison
Most likely during STEP Import options, you'll simply need to change the value for the option "Extracted Plane".
(Screen capture of the options available when importing a 3D Step file)
Note: The same applies to users who are importing an STL file, and only get a rectangle.
Here's a related topic which may be helpful,
https://numericalinnovations.freshdesk.com/support/discussions/topics/14000003484