Use Preferences > Construction Options to set the tolerances enforced by the modeling tools. The requirements for transfer to specific CAD packages are available as presets.

To set up tolerances for transfer to a specific CAD package

1. Choose Preferences > Construction Options .
2. Open the Construction Presets section.
3. Choose one of the settings profiles from the list:
   • Click the CAD software you want to model for. This sets the construction options to values needed for maximum compatibility with that CAD package.
   • Click General CAD Settings if the CAD package that you want to model for is not on the list. This sets the construction options to generic CAD values that will be compatible with most CAD packages.
   • Click User Defined to set the construction options manually.
     TipYou cannot edit the presets of the CAD packages in the list directly. Choose the name of the CAD package and click Copy to create a new profile you can edit.

To create a set of custom tolerance setting

1. Open the Construction Presets section of the Construction Options window.
2. Choose one of the settings profiles from the list:

   If the settings you want to add are very similar to one of the preset CAD packages, click the name of the CAD package.

   Otherwise, click User Defined.

3. Click Copy.
4. Double click the new profile to rename it.