
Steps
Hover over the "Slot" icon in the toolbar.
Click the "Centerpoint Arc Slot" to enter Centerpoint Arc Slot mode.
Create a Centerpoint Arc Slot:
Left-click in the drawing area to define the center of the arc slot.
Move the cursor and left-click to define the start point of the arc slot centerline.
Move the cursor and left-click to define the end point of the arc slot centerline.
Move the cursor and left-click to define the slot width.
(Optional) Enter a value and press Enter to apply dimensional constraints.
Right-click or press Esc to exit.
Step 1 - Hover over the "Slot" icon in the toolbar:

Step 2 - Click the "Centerpoint Arc Slot" to enter Centerpoint Arc Slot mode:

Step 3 - Left-click to define the center of the arc slot:

Step 4 - Left-click to define the start point of the arc slot centerline:

Step 5 - Left-click to define the end point of the arc slot centerline:

Step 6 - Left-click to define the slot width:
