To draw an open door, follow these steps: ^blitsy.com+1 ^{1 2}

1. Begin with the door frame, sketching the outer contour.
2. Add the inner outline of the frame.
3. Depict lines to show the thickness of the door frame.
4. Add short connecting lines at the bottom.
5. Depict the outline of the door itself, slightly inside the frame and angled to show it's open.