Hi, the "Original" PCB is now available.
Gerber & Kicad v6 project:
http://abandon.pcbs.free.fr/BI-PAK.htm
(More BI-PAK ZON X-81 infos: Kio's web site)
PI-PAK ZON X-81 MPSG PCB.
PI-PAK ZON X-81 MPSG PCB.
Xavier ...on the Facebook groupe : "Zx81 France"(fr)