Making a Split Ergonomic Keyboard

first I bought two the same keyboard .

Step 1:

Disassemble the keyboards layer by layer..

Step 2:

take the cover layer of keyboards and cut them with a drill cutter tool.

Step 3:

cut the keyboards by two pieceses with a drill cutter tool( attention of the keys that you need the save

Step 4:

assemble the halves as left and right.

Step 5:

fold the flex circiut under the cover. and fix them there by hot slicon .

unfortunately I have to use 2 usb ports by this .