Hello,
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You can try to apply api_unstitch_nonmani() before the sweeping. You will get 4 non-manifold bodies
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In reading this reply about api_unstitch_nonmani(), I realized this interpretation resulted from an error in the documentation regarding the output of this function. The documentation states:
"Role: This API decomposes the input body into four bodies, consisting of the input body's manifold lumps, sheets, lamina, and wires. The input body is destroyed. "
Actually, what should be said in the documentation is that the input BODY is decomposed into the number of bodies required to create manifold output. (In the example case, only one BODY is necessary and created.) The four body types listed in the documentation are four categories that would potentially have to be broken out of a multi-dimensional body to make the manifold pieces.
It should be noted that when the api_unstitch_nonmani() function is called in cases like this where there is a vertex sharing four or more edges, a duplicate vertex will be created. Duplicate vertices result in check errors and can cause problems in some functions.
