Available as an assembled Module and as a DIY project.
This Module is currently available.
Laurutis Polivoks VCF Moog Unit MU 5U Synthesizers.Com Format
Unique item. I built two as part of my research and decided to sell one due to lockdown.
Module is handwired,PCB handcrafted with photolithograpy, just like in golden era...
Artwork is drawn by me, schematic by Polivoks
My version has rotary switch for BP and LP modes: