In this instance we are just referring to Accudraw input which is looking quite dated, I have not looked too far for examples I just downloaded a 30 day trial of Fusion 360 for interests sake, take a look for yourself to see how they input solids are how they are modified / manipulated. The other thing that got me was the use of trig using Popcalc, that is certainly last century plus a decade or so! This is just a wee bit too close to the time when we used logarithmic tables and slide rules IMHO. I thought the whole Idea of CAD was to dispense with such simple calcs.
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