What color do cad doors, windows, stairs and columns usually use?

The door is gray. The window is blue. The pillar is gray. ? In fact, you can define yourself according to your own aesthetics.

1, first open the software to open the drawing, and draw a rectangle where the door is to be drawn, the length of which is equal to the length of the door.

2. Then open the circle option of the drawing tool, and you can directly enter the shortcut key C to draw a circle. ask

3. Then open the capture F3 and start to draw a circle with the edge against the wall as the center.

4. Enter the radius, which is a special length.

5. Then draw and insert a straight line.

6. Then use the cutting tool (tr) to remove the unnecessary, and the door painting is completed.