Modular Synth Panels

I just ordered a pcb for an SN 76477 module.  Most of us have messed
around with these things for years.  So Tom Henry tricked it out and
another fella came up with a pcb (run of 50) uses a cd4046 PLL.

I want to do it as a 2-3u voice panel.

Do I have any brethren ?

best

gino