"Snap to" other points/axis/lines/tangencies/etc. if you hover over them in a sketch.

[DylanBryant]

• By default, SolidWorks/CATIA/3DX and other CAD software snap to other sketch geometry. It requires a key press (shift, ctrl, or alt) to enable free movement.

• Adjacent to the above point, those CAD software also have a key press that allows you to be locked into the constraint that you hovered over, Zoo should adopt this. For example, as you go to draw the 4th, 5th, etc. line in a sketch and end up hovering over a perpendicularity to your first line, you can press ctrl to hold onto that constraint and no matter where you take the curser, it will keep the line perpendicular, just changing in length.

• The snap should happen before the user lays down the line, rather than after the line is placed. That way the user can adjust on the fly rather than have to undo if the line snaps when that was not the intent.