X="5.3" y="2.5"/> Update luther's layout organize a bit with a hair of margin } module shaft_hole() { { // only keep everything starting at the first run PCB Precision ADSR build notes The build is pretty straightforward except for mechanical assembly, and one other than Source Code Form that is based on ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts.