Did sketches in Autodesk Sketchbook on my phone, then did the 3D modeling in BlockSCAD:
https://www.blockscad3d.com/community/projects/1356379
exported to OpenSCAD and modified the code a bit to get the Customizer working and allow the program to flatten things so that they can be exported as a DXF or SVG and then imported into Carbide Create:
so that they can then be cut out on a CNC:
and then assembled:
Not the usual sort of artwork we see here, but it’s what I use my tablet for.