Parametric Design Python Packages

bdbox

A workshop for build123d models with live preview and interactive parameters

classy-blocks

Python classes for easier creation of OpenFOAM's blockMesh dictionaries.

cycloidgen

Parametric cycloidal drive (gearbox) generator: exact conjugate geometry, live 2D and 3D, 56 self-explaining checks, a full engineering datasheet — contact stress, stiffness, backlash, transmission error, thermal, mass — requirements-driven design search, and DXF/SVG/STEP/STL/3MF/GIF/BOM/PDF output.

cadloop

A closed loop from parametric OpenSCAD source to G-code: two MCP servers plus the verification step neither CAD nor slicer can do.

gcs-shape

gcs is a Python library for generating 3D meshes of generalized cylindrical shells.

opentisim

Terminal investment strategy analysis, parametrically driven by changing demand scenarios.

semio

💻 The right operating system for the left brain 🧠

morphe-sketch

CAD-agnostic 2D sketch geometry and constraint representation with adapters for FreeCAD, Fusion 360, Autodesk Inventor and SolidWorks