The Polysweeper addon allows you to make profiles on selected faces. Not only profiles for frames but it can be everything. Think of it a shaping a boring flat faceloop in a something more exciting shape. You can use it as a modeling tool an merges the vertices very nice and the mesh stays manifold.
While the use of some addons need brings some clean-up work, this is not the case with the polysweeper addon. For example you can add a subsurf without seeing artifacts. So this addon falls under a categorie “No Remesh need”.
For some reason I struggled a lot using the addon, but now that there are good examples of how to use it, we can avoid that. Below some tips that makes it easier to understand the workflow:
There are two versions of the polysweep addon. The free version (0.5) is available on Blenderartists.org. And the paid version is available on Gumtree. (0.6 at the moment of writing). The paid version has crease edge features and planar mode which are not discussed in this article.
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