12, select the ellipse tool, draw a circle at any place, size is set to 5 x 5mm, and then move it to the top right corner of the flip C, as shown in Figure 11:
At this point you should use the frame mode of view, and try to enlarge the graphics to accurately position.
13, use the shape tool, in the flip C on the right side of the circle and the top edge of the circle, double-click to add a node (red circle 1 and red circle 2), and then double-click the node (red ring 3) on the vertex to delete the node, Make it a straight line, as shown in Figure 12:
14, continue to call the shape tool, click the red circle 1 and the red circle 2 interval line, and then click on the property toolbar, the conversion line for the curve tool button, and then the line segment in accordance with the circle to align the outside of the circle, so hereby The line becomes a circular line, and then the reference circle is removed. This corner becomes a round solution, as shown in Figs. 13 and 14.
(to be continued)