Arc by 2 Points and Center To create an arc by 2 points and center: 1. Click the Arc tool from the Basic palette. 2. Click the Arc by 2 Points and Center mode button. 3. Click to set the start point of the arc. 4. Click to set the end point of the arc. As the cursor moves, the center of the arc is manipulated. 5. Click outside the arc to set the center.