Creo Tolerance Analysis > Tolerance Analysis Reference Guide > Tolerance Analysis > Creating a Tolerance Analysis Measurement > Selecting Dimensions > Dimension Types > Sheetmetal Thickness Dimensions
  
Sheetmetal Thickness Dimensions
If you include a sheetmetal-type part as you are defining the dimension loop, you can select the sheetmetal thickness dimension. The thickness dimension always appears as a valid dimension to include while that part is active. The thickness dimension can be included in the analysis multiple times, if needed.
Dimension Types