Design a 3D-printed (FDM) part as a parametric Python script - trimesh + manifold3d booleans, shapely for 2D, run as uv inline scripts - then check it numerically (watertight, one body, bed fit, clash volume against its neighbours, bolt axes open, screw lengths), lay it out on print plates (3mf), render it and show the user. Use whenever designing, changing, splitting or preparing a printable part, a jig, a bracket, an enclosure or a fixture.
