No info about availability.
Diy synthesizer voice available from synthcube
The Steiner Microcon is a complete synthesizer in a single module. It has its own VCO, LFO, VCF and envelope generator, thereby combining all of the most needed parts of a synthesizer in one unit.
It's a design orginally from the nyle steiner synthacon system, recast with permission by David Ingebretsen in 2012.
MU panel design is by Caleb Condit.
Full info on it at http://www.muffwiggler.com/forum/viewtopic.php?t=42415&highlight=microcon
http://synthcube.com/cart/index.php?route=product/product&path=72_63&product_id=300
