Hmmm
Why not make the top plate on the pier similar dimensions to the top of the Meade tripod and then mount the wedge directly onto this plate and incorporate the alz adjuster from the tripod?
To me it would be much more stable than building the "rats nest" concept....
See:
http://www.billsastro.com/Astronomy/...Superwedge.htm
https://www.youtube.com/watch?v=B6_U9dGuqv8
http://www.skymtn.com/mapug-astronom...ier-plates.htm