Hi Nightstalker,
Design is my own, 6 point measurements are from GUIPLOP but I've simplified the attachment hardware. I realise it is not functional in the purest requirement of 6 point suspension but still reckon it is better than the 3 point spot fix design.
Using neoprene rollers instead of springs and pivots for support of both the mirror suport base and the balance arms has eliminated all sideways movement in the cell and yet collimation adjustment is easy and mirror should sit quite unstressed on the aluminium bar supports. I could actually use strips of Velcro along the whole bar length ( 90mm each) if I wanted to be more secure although my 6 pads would be 25 mm square as you are using so I don't see a problem. There will also be some side retention brackets added for my peace of mind. Rear fan blows directly at the mirror rear as well.
The bars won't be siliconed into the support base until the mirror is attached so it all starts off as a neutral balanced system. I'll do a diagram if you like showing how my thinking has worked on this one.
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