I think you just need a good design, a couple of sheets of plywood, an electric jigsaw, a spoke-shave a round Surform thingy some sandpaper and a can of semi-gloss black paint and the jobs a good ‘un. With a plywood sandwich design you don’t have to shit around with inletting etc.
Christen it the BSA Javelin after the all-weather fighter jet of the 1950s in BSA style.