Voltage controlled oscillator with Saw, Pulse and Triangle outputs.
Based on VCO 4069 from René Schmitz: https://www.schmitzbits.de/vco4069.html
Saw to triangle converter from http://musicfromouterspace.com/analogsynth_new/SAWTOTRICONVERT/SAWTOTRICONVERT.php
Designed to work with +/- 15V, not tested for +/- 12V
The PCB is 9.5 x 5.5 cm and has no PCB-mounting of potmeters, switches, jacks; these are all connected by pin header connectors