When you select a fabrication part on the MEP Fabrication Part palette, the Modify | Place Fabrication Part tab provides options for placing the part.
Edit Part: opens the
Edit Part dialog where you can edit parameters for dimensions and connectors.
Rotate Part: rotates the part around its connector. You can also press the spacebar. When placing a fitting such as a tee or a tap, hold Shift and press the spacebar to rotate the orientation of the fitting. To rotate a part in a vertical view, hold Control and press the spacebar.
Toggle Connector: modifies which open connector is attached to the cursor during placement.
Insert Part: places a tee, valve, damper, or in-line equipment on a straight duct segment in an existing run.
Connect as Tap: places a duct fitting as a tap on a rectangular duct or the flat part of an oval duct. You can rotate the fitting around the duct during or after placement.
Smart Snapping: enables smart snapping to increase the snap target on connectors. Enable smart snapping when you want to make it easier to connect elements. Disable smart snapping when you want to place elements using standard snapping behavior.
Show Help Tooltip: displays tooltips in the drawing area while placing a part. You also enter the command HT.