Available as an assembled Module and as a DIY project.
This Module is currently available.
Analog Voltage Controlled LFO
"Cha Cha" (means slow or slower in Thai) is a voltage-controlled LFO that you can build yourself. It has 4 different wave outputs (Sine, Triangle, Saw, and Square), also an FM input with an attenuator, and a RESET input to keep it in sync with another external source.
Available at Siam Modular
https://www.siammodular.com/voxmachina-cha-cha-voltage-controlled-lfo-pcb-kit-or-pre-built