2 layers171.5 × 106.7 mm

Sequencer
westlicht/performer-hardware
PER|FORMER Eurorack Sequencer - Hardware Design Files
435 parts110
Boards in 2 GitHub repositories, designed in KiCad, that use the STMPS2151S by STMicroelectronics (-40℃~+125℃ 1 2.7V~5.5V 500mA 90mΩ Active High High Side Switch Short-Circuit Protection(SCP)、Undervoltage Protection(UVP)、Over Temperature Protection SOT-23-5 Power Distribution Switches ROHS). See how each wires it, with its parts, size, README and files; the STMPS2151S’s symbol, footprint and pinout are on its own page.

westlicht/performer-hardware
PER|FORMER Eurorack Sequencer - Hardware Design Files

chickadee-tech/g-test-bot
Generic Test Jig Bottom for Polystack boards