Fix Part Direction
Piping Design
Fix the direction of a part if you wish it to retain its original direction. Select the Position fixed constraint. The direction of a pipe line added in the vertical direction (Z axis) is the only one that will be automatically fixed.
- Select a pipe/duct.
- Right-click to open the context-sensitive menu.
- Select Constraints from the menu.
- Select the Position fixed checkbox.
- Confirm by clicking OK.