Dune 3D 1.2.0

Dune 3D is a parametric 3D CAD application. With Dune 3D you can: ketch and constrain in 2D and Add chamfers and fillets Import STEP models for referencing them Export high-quality STEP and STL files

OpenVSP 3.41.0

OpenVSP allows the user to create a 3D model of an aircraft defined by common engineering parameters. This model can be processed into formats suitable for engineering analysis. The predecessors to OpenVSP have been developed by J.R. Gloudemans and others for NASA since the early 1990's. On January 10 2012, OpenVSP was released as an open source project under the NASA Open Source Agreement (NOSA) version 1.3.

CadQuery 2.4.0

CadQuery is an intuitive, easy-to-use python based language for building parametric 3D CAD models. CadQuery is for 3D CAD what jQuery is for javascript. Imagine selecting Faces of a 3d object the same way you select DOM objects with JQuery!