[ATM] 6-pole

[Arjan te Marvelde (hetnet)]

Another way is to use the "U" profiles, like in mine, but you've saved 
another wall of the square tube!
One thing you lose by reducing weight in this way is torsion stiffness, but 
I guess you don't need that.

AtM

> determinimg factor. BTW, in my only truss tube telescope, I use alu "T" 
> profile, removing the "vertical" part at the ends, fastening the remaining 
> flat piece with a screw with conical head. I like to do things differently 
> ;-)