[OpenSCAD] Ovals

nop head nop.head at gmail.com
Tue Sep 4 06:31:40 EDT 2018


>From the diagram on Wikipedia I saw that half the cross section of an ogive
is the intersection of a circle and a rectangle.



To blunt the point you need to position another circle that is tangential
to the first one and truncate the ogive at the tangential point and then
hull it with a semi circle.

Using the formula here: http://mathworld.wolfram.com/TangentCircles.html






On 4 September 2018 at 10:32, FourthDr <who_doctor at hotmail.com> wrote:

> Troberg:
>
> Not quite sure I visualize how you are suggesting I code up a cone. Would
> that produce a true ogive? And then how would I add a spherical tip instead
> of the usual point? Have some example code?
>
>
>
> --
> Sent from: http://forum.openscad.org/
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