I've been modeling this Daihatsu Midget for a while now and I got to this part but I don't know how to "cut through and paste" these objects into the rear panel.

What I have: enter image description here

What I would like to have: enter image description here

So it can be part of the panel.

I tried knife project but that only cuts the outline of the objects and the rotation of object and the red panel is different so I can't just move it into the panel and merge the vertices.

Thanks for you help in advance!

  • $\begingroup$ Sorry about this late comment, but did you try the boolean (difference) modifier? you can then "hide" the cutting object. $\endgroup$
    – james_t
    Commented Apr 4, 2023 at 16:56
  • $\begingroup$ Hi, I tried it but as the cutting mesh is not exactly rotated as the mesh that needs to be cut it just partially works, but thanks anyway $\endgroup$ Commented Apr 7, 2023 at 10:07
  • $\begingroup$ You might want to consider including a reduced blend file (only the essentials to meet the <30MB requirement of blend-exchange. If I cannot figure it out, I can start a bounty as I have enough points to share. Indeed knife project only does an outline, and only of manifold edges. $\endgroup$
    – james_t
    Commented Apr 7, 2023 at 15:48

1 Answer 1


You might want to try out the (included) add-on Bool Tool as demonstrated here that will use one objects mesh, to cut another object, the solution to this question.

In the following I demonstrate using a sphere positioned into a cube. The tool creates the additional required vertices in the sphere in the positions of the same vertices of the sphere and connects the edges to existing edges of the cube:

enter image description here

The wire sphere you see is a duplicate of the cutting/boolean-diff sphere. The cutter is deleted/joined to the cut mesh and cannot be "changed" in the future. I.e., the cut object mesh is permanently changed, so you might want to keep hidden copies of the original (cut and cutter) if you decide to change the sculpting later.

You can also investigate using a mesh as a sculpting tool, although that would also permanently change to sculpted object.


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