To Set Accuracy in an Assembly
1. In an open assembly, click > > 
Model Properties. The Model Properties dialog box opens.
Model Properties. The Model Properties dialog box opens.2. Click change in the Accuracy line. The Accuracy dialog box opens. Specify the accuracy using one of the following options:
◦ Entering a value—Changes the accuracy to the value entered in the box.
Select Relative or Absolute and type a value in the box.
◦ Copying value from model—Changes the absolute accuracy to the value of the selected model.
Click Browse and choose an available model from the Open dialog box.
3. Click Regenerate. The model regenerates with the new accuracy.