It won’t be obvious how the points are calculated or why lines are drawn from pt7 to pt21 to pt3. It all might make sense during the coding, but probably won’t a few weeks later when a change has to be made even if the sketch(s) is found. A sketch has to be made with points labeled and equations or formulas entered. ![]() The program turns into many lines of hard to read data apparently randomly named. The hard part of coding parametric drawing program whether in lisp or VBA is managing the large number of points.
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