When right clicking the abstruse platform with a modded block from chisel2 or enderio it just tries to place the chisel 2 block against that side of the platform rather than disguising the platform.

What blocks specifically are you trying?

It was various forms of chiselled glass, I also tried enderio quite clear glass, I wanted a transparent block I could both walk on or fall through.

I didn't think transparent blocks worked. Have you tried modded solid blocks?