15. After adjusting this corner, use the same method to replace the corners of the red circle 1, red circle 2, and red circle 3 in the figure below. Figure 15:
16, select the flip A, B, C and then group; press the letter Ctrl key, use the mouse to drag the group of objects on the top of the small black block, pull down, until the following mirror pattern appears opposite When Ctrl and Zuo Jian hold down the right button, another group of clamshells is copied on the rectangular box filled with patterns, as shown in Figure 16:
17. Select the group of clamshell objects just copied out, rotate the pattern by 180 degrees, and press the “B†and “R†keys to align. Figure 17:
18, select the flip at the pattern B, hold down the Ctrl key with the mouse to drag the central small black block dragged down, etc., so that the object has been turned to the following and then let go, so at the other end is also a good flip, such as Figure 18:
(to be continued)