V: draw a line from point to point (snaps to points; two points on one face cut it; nothing moves while drawing) · 1 / 2 / 3: move points / lines / faces (drag, or the gizmo arrows) · Enter: close a loop into a face · B: turn the V bars into lines · X: remove lines · Esc: stop the line, then back to drawing, then leave · Tab: leave