Save thousands by building your own aluminum kit boat, diy boat, aluminum boat kit, aluminum boat plans, aluminum boat builder, diy boat build, australia.. Since 1994, australian master marine has specialised in manufacturing high quality, innovative, award winning custom plate alloy boats. every amm boat is fully. End of financial year sale on now! 25% off . we have the best range of professionally designed steel, aluminium and timber plans available. sport, dive, fishing or.