Solidworks and Inventor receive a lot of attention, and so we tend to forget the surprising number of other MCAD programs that exist. They are not fly-by-nighters – many have been around for more than ...

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Note that the first expected argument to xcopies() is the spacing argument, so you do not need to supply the spacing= argument name. Similarly, ycopies() makes a line of evenly spaced copies centered ...

Some objects provide named attachable parts that you can select instead of using the main geometry for the object. One important kind of attachable part is the inside of a tube. The anchors are all on ...

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