> Build123d could be considered as an evolution of CadQuery[1] where the somewhat restrictive Fluent API (method chaining) is replaced with stateful context managers - e.g. with blocks - thus enabling the full python toolbox: for loops, references to objects, object sorting and filtering, etc.<p>[1] <a href="https://github.com/CadQuery/cadquery">https://github.com/CadQuery/cadquery</a>