How to make a geometric plane on a curved surface? And every geometric surface is connected together

640da444cb876ac435c930eb122ed1194ac67bd1_2_690x373 b0a90a2e3e7443c45213f351e53851eb3b0e20e6_2_690x373 2bd8b7631362ad94c70cebfbaedae8a3ba02eeb9_2_690x329 威海模型 (25.4 KB) Facet1.3dm (6.1 MB) I tried my best to do it, but I still can’t make every geometric shape is a plane and connected together, as shown in Figure 3.

This is a continuation of your earlier post on this topic: