2 layers50 × 80 mm

Nixie driver
Quettle/nixie_driver
Dual IN-12A nixie tubes pcb, daisy-chainable with 8 bit shift register
17 parts
Boards in 1 GitHub repository, designed in KiCad, that use the HCF4094BE by STMicroelectronics (DIP-16 Specialty Logic ROHS). See how each wires it, with its parts, size, README and files; the HCF4094BE’s symbol, footprint and pinout are on its own page.

Quettle/nixie_driver
Dual IN-12A nixie tubes pcb, daisy-chainable with 8 bit shift register