Print all the pieces. When loading into the slicer, the files may appear smaller. If so, scale it up to 1000%. After printing “Receiver - Upper”, leave the print on the build plate, change the filament color, and then proceed to print “Receiver - Graphics”.
Take apart the wireless mouse and cut the wires from the motherboard to the batteries.
Cut off the unneeded parts from the motherboard like the scroll wheel and buttons.
Make sure the on/off switch is set permanently to "On". Also make sure to keep the rectangular plastic lens and communication USB.
Solder all the wirings. Follow the circuit diagram provided to solder the electronic parts together after snapping the keyswitches and stabilizers into the 3D printed frames.
Cut the micro USB cables and resolder together to connect the power from the batteries to the circuits.
Cut the micro USB extender cables and resolder together to create the recharging ports.
Use hot glue or other adhesives to secure all parts inside the keyboard frames.