- In 3ds Max, select Customize > Units Setup.
- In the Units Setup dialog box, make sure that Generic Units is on, then click System Unit Setup.
- From the drop-down list, select Inches, Millimeters, Centimeters, or Meters.
Click OK twice to exit the dialog boxes.
- In Mudbox, open the Preferences window (Windows > Preferences) and expand the User Interface section.
- Set the Linear Units preference to the same choice you made in 3ds Max.
Click OK to close the window.