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Re: [ATM] ATM Digest, Vol 39, Issue 25

Hi Jan,

Any specific reason to go from circle to dodecagon?

   Arjan

> I made a new secondary ring again. Well, not a ring but a 12-angle
polygone.
> At closer inspection, the former one didn't keep collimation well enough,
> because of flexture of the 20 mm diameter aluminium ring. I made one of 30
> mm diameter tubing now. This one keeps its collimation well!! And all this
> work made me an experienced wire spider builder.

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