Here is a footing part. Pretty basic. I have started to create some typical rebar types and am doing ok with them so far, but to make a type 2/17 is a daunting task. What I have found is that I make each of the bar sizes(geometry) in different areas of the drawing, add all of the params/actions, move everything to a base point and then modify the cpolygon areas and such. So... for a type 2/17(I say 2/17 because they are basically the same shape and for details, it works. So... a type 2/17 has these configurations: AB & ABG
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Shaped like a the letter C.
Sizes: 3 - 11, 14 & 18
Dimensions: A(leg always present), B(always present) & G(leg on/off)
All have wipeouts via the use of a polyline that matches the geometry of the bar, except at the arcs which I created a polygon with 128 sides and offset 1/128" to the inside of the geometry. Once plotted you can't even tell that there is that small offset. It is visible on the screen as a sloppy looking line. hahahaha.... I haven't done it yet, but I figured if I put the wipeout polyline and the wipeout itself on the defpoints layer I would not ever have to worry about it not plotting as defpoints is hard coded into the AutoCAD database to never plot.
I used visibility states to define the legs to display.
I also played with using a non-plotting dimension to have a visual on the size as I stretched it. Not sure that is a good way to go.
I can't remember if I updated this one to stretch all legs whether on or not. I seem to remember having issues with that... some error.
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So far I have sizes 3-8 and I stopped there, but can't remember why. hahahahaha....
I shall post for the sake of sharing and VERY welcome critiques.