The following is released: Schematic B.O.M (Bill Of Materials) Gerber Files 3D files of the Housing Schematic: Download Schematic: B.O.M: Gerber Files: Change file name to: 00000-4216-Co2-Sensor.Gerber.V2.1.zip (add Z to zip) Step File of PCBA Housing Files: When 3D printing add support to the TOP side underneath the clips. More info on Github: