1, draw a big rectangle first and then a small rectangle.
2. Enter B in CAD, create a small rectangle in blocks and simply name it. For example, a, select the center of one side of the small rectangle as the picking point, click the selection object, select the small rectangle, and confirm.
3. Enter ME or select a point in the drawing menu-equidistant division-select a large rectangle-enter b- enter the name of the inserted block, that is, the name of the small rectangular block created before, enter a,-whether to enter its block and object: y and n indicate that the direction of the small rectangle is different.
Method 2:
1, draw a big rectangle first and then a small rectangle.
2. Put the small rectangle in the lower left corner of the big rectangle, enter ar, select the rectangle array, and select the object-select the small rectangle.
3. Enter 40 lines, 10 column, 6 lines and 6 columns, and click OK.
4. Delete useless small rectangles.
5. Mirror the small rectangle to the other two sides.