Starting from simple geometric shapes, to complex designs: FreeCAD is a free CAD program with all the essential features. Nevertheless, describing 3D objects via a script is more complicated than via a GUI for most tasks, which led me to FreeCAD. ![]() Having written certain scripts from time to time, it was not difficult for me to get started with OpenSCAD. One advantage of the script language is that variables can be used for the described elements and thus they can be adjusted centrally. To merge multiple objects into one, they can be joined with "union()", or subtracted from each other with intersection(). a cube with 15mm edge length: "cube(15)" or a sphere with 10mm radius: "sphere(10)". That means, each object is a function with certain parameters e.g. ![]() Objects are described in OpenSCAD using a simple scripting language.
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