CAD model of Extruder head?

Does anyone have a CAD model of either the TAZ Single Extruder Tool Head v2.1 Or the Dual Extruder Tool Head v2?

I am another victim of the V3 head. I could not get it to print ABS. It just didn’t seem to want to follow the curve. The Single extruder head works great, and I have an idea on how to preserve that Filament geometry but get the heads side by side and close together like the V3.

I am a mechanical designer with 35 years experience so I might have a chance here.

Thank You