📐 How Insert Pnt–Pnt works
In this case, you first locate the two points you wish to dimension, usually by ‘snapping’ to an existing point using the middle mouse button at (d1) and (d2), followed by the position for the dimension (d3).
Insert Pnt–Pnt
Insert Pnt–Pnt lets you add a dimension between two points. Snap to the first point (d1) and second point (d2), then choose the dimension position (d3). Snapping is usually done with the middle mouse button.