This is "krill" a 3d printed, handwired 40% keyboard I designed using FreeCAD.
Bottom:
The plate (where the switches are mounted to) is printed as well. The wiring is done using 1mm copper wire by hand (hence handwired), switches go into 3d printed sockets. There is a nice!nano microcontroller inside mounted in the middle of the bottom.
Here is a picture of the wiring:
