Alain <kua### [at] videotronca> wrote:

> > Hi, I'm new to povray. I'm designing a 3V geodesic dome and for checking I got
> > all the angles and coordinates right, I rendered my design in povray. Now I
> > want to include an image of the three different strut lengths with their so
> > called "compound cuts". This turned out more difficult then I expected. What is
> > the best way to create an image like
> > http://northernhomestead.com/wp-content/uploads/Geodome6.jpg.
> >
> >
> >
>
> Assuming that +X is to the right, +Y is up and +Z is forward. That's the
> standard left handed coordinate system that POV-Ray use.
>
> Start with a box.
> Use a difference with two smaller boxes at each end.
> For the part that you show, the two box need to be rotates first by

> The best way, in my view, would be to start with the main box going
> toward +X and centered around the X axis.
> Next, have a smaller box that you rotate as follow:
> rotate<-4.71, 55/2, 0>
> Make two copies, the second copy will scalled as follow to make it into
> a mirror image:
> scale<1,1, -1>
> Finaly, translate those toward the end of the main box.
>
> Try to keep the smaller cutter boxes as small as possible.
>
>
>
> Alain


Hi Alain, Thank you for your reply. I'll give It a try after the weekend. Doing
the whole dome was much more straightforward then showing an image of a compound
cut though.

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