Use a 40W tube, upgradable to an 60W if we have the money (so 1000mm x 55mm tube size to accommodate)
Bed big enough for A2 Sheets (420mm x 594mm), possibly a bit bigger.
Z axis movable up to 200mm
Fit closely within the bounds of the existing laser cutter (1000mm x 600mm)
lid at height of bed, to allow huge pieces to be put all the way through
Air assist
LAOS control
Extraction from below the bed
Complete floor-standing unit, containing all necessary parts to run (water reservoir etc)
RFID control and job time logging
Emergency stop button
Possible CO2 Flush button
Lockable casters so it can be moved.
Quieter pump
Actually wire up flow sensor to something