sanding and plasma cutting

we then marked out where to cut with plasma cutter and cut it out.

sanded bottom for braise

after getting the fire extinguishers i sanded the bottom so we could braise a bottom plate on, later we decided against braising to retain inside access to cross overs and wires.

Half scale model

after making the faceplate i made a half scale model of the speaker

half scale faceplate

once deciding on making the speakers out of fire extinguishers i made a half scale faceplate mockup.

conceptual shapes

starting off with drawing up some very rough concepts for the speaker design.