| Access: |
On the ribbon, click Presentation tab |
- Explode Level
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- One Level automatically separates all selected components down to one level in the hierarchy. Selecting an assembly with a subassembly does not autoexplode the subassembly.
- All Levels automatically separates all selected components down to all levels in component hierarchy. Selecting an assembly with a subassembly explodes the subassembly as well.
- Distance
- Sets a tweak distance for the selected components.
- Default Trails
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None cancels creating trails. 
All Components creates trails for all components included in the autoexplode selection. 
All Parts creates trails for all parts included in the autoexplode selection, and excludes subassemblies. 
Single creates a single trail for each tweak created by the Auto Explode command.
Preview - Select the check box to preview the exploded model.