The issue is I need to get this into the DXF/SVG, and unfortunately, OpenSCAD doesn’t support 3D DXFs, and I don’t want to create a requirement that folks export an STL and use MeshCAM.
I’ll probably model a cove radius tool and assign a toolpath for that as was done here:
(unfortunately, that doesn’t work in BlockSCAD for some reason — need to revisit that, and if I still can’t get it to work, file a bug report)
then if folks don’t have one of the correct radius it will be on them to model a workaround, say using the technique described at: