Beco blocks in OpenSCAD

OpenSCAD version of Beco Blocks.

I hope to have most of the blocks converted over and will add new ones too.

This is a derivative of:
Another Open Dragon Head by MaskedRetriever:
http://www.thingiverse.com/thing:1841

Beco Blocks by r3becca:
http://www.thingiverse.com/thing:1983

Revised Beco Block Man by natetrue
http://www.thingiverse.com/thing:2015