This is the sort of hinge you would find in a kitchen cabinet, bedroom cupboard or under the lid of a milk-float mounted cruise missile deployment platform.
The rig is quite simple, fiddle with it and you will see the light; then clap with one hand.
The feeble materials are Cycles-based.
Great, glad you like it. No need to credit me if you use it, although I won't object :-)
Wow! thanks :)