Powerful, Open-Source, Programmatic CAD
ImplicitCAD is a programmatic CAD program, implemented in haskell. Unlike traditional CAD programs, programmatic CAD programs use text descriptions of objects, as in programming. Concepts like variables, control structures and abstraction are used, just as in programming. This provides a number of advantages:
- Objects can be abstracted and reused
- Repetitive tasks can be automated
- Objects can be designed parametrically
- The usual tools for software development (like version control) can be used
The traditional example of programmatic CAD is OpenSCAD.
Generally, objects in programmatic CAD are built with Constructive Solid Geometry or CSG. Unions, intersections and differences of simpler shapes slowly build the object. ImplicitCAD supports all this and much more! For example, it provides rounded unions so that one can have smooth interfaces between objects.
It also directly provides some GCode generation, and has a parser for OpenSCAD to make it easier for people to transition/use.
ImplicitCAD is very much a work in progress. The author considers it ready for beta testers and greatly appreciates bug reports.
26 June 2020
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