[OpenSCAD] circle tessellation and apothems
kg4ydw at gmail.com
Sun Dec 26 18:57:24 CET 2010
On Sun, Dec 26, 2010 at 12:38 PM, Whosawhatsis <whosawhatsis at gmail.com>wrote:
> I really like the idea of making it a special variable like $fn and $fa.
> Tim, while ID and OD are more common terms, I think they are technically
> incorrect in this case. I believe the definition of the diameter of a
> polygon is
You are thinking in terms of the OpenSCAD implementer, not the user.
The point of using ID/OD is to indicate that the intent for the hole is that
it _IS_ the inner diameter or outer diamter.
I.e., if you wanted to make a pipe, you'd give the dimension for the inner
hole as ID and it would make the hole no smaller than that. This might
improve tolerances of parts.
Making this option a global variable would not give that option.
However, I do like the idea of specifying diameter as corner, midpoint, or
average. I don't like the idea of calling it "snap" as I think it would be
very confusing to reuse this term.
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