Here is one possible configuration for the west space.
It moves the laser to a vent hooded bench in the machine room.
the fireball is also moved to the machine room.
3D printers get a 136 square foot room
Computers get a 136 square foot room
The electronic workbench is rearranged a bit to reduce wasted space .
A dxf file of the design is also included so you can come up with your own proposals (draftsight and other free/inexpansive cad programs should be able to read the dxf.)