Arch davis design – offering boat plans, kits, videos and dvds for the amateur boat builder including sail boats, row boats and power boats.. The plywood for boatbuilding faq version 1.1 11/9/96. edited by craig o’donnell send corrections and additions to me. about the faq. this is a basic introduction to. Didi mg30 built by tamas csaba in hungary . our stock design file . click on design links below to see more info. go to pricelist for plans & study packs.