How to draw a stool with four legs and eight forks with cad

Enter a numerical value at any point in the drawing area.

First, open the cad software in the computer and click the multi-line segment in the upper left corner. At any point in the drawing area, click, then enter vertical line 285 and enter. At input a, arc input 600 is switched to straight input 285. Switch a input 30, switch l input 285, and then enter. Then connect the two boundaries of the graph with a straight line, and then select the arc three-point command in the graph. After drawing the stool legs, you can copy a few more.