I got a Polaroid 110B in superb conditions

It's an interesting idea, Patrick...

I made my conversion out of plywood which also makes a relatively lightweight camera.

The weight is acceptable for a 4x5" camera.

I focus & shoot with my left hand holding the camera grip on the left; my right hand on the focusing knob/shutter; my right shoulder supporting the camera from its bottom.

I've put for sale one of the two backs here
http://cgi.ebay.it/ws/eBayISAPI.dll?ViewItem&item=230103839884

And, if anybody wants a copy of Dean Jones original "Bi-Polaroid disorder CD" about Polaroid camera conversions, I've put mine for sale along my own little work, showing how and what I did to convert my 110B:
http://cgi.ebay.it/ws/eBayISAPI.dll?ViewItem&item=230103839947