Other than "how much does it cost?" and "how long will it take?", most questions we receive concern wood and plywood. we will be adding the. 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. This is an ideal first plank-on-frame kit that is designed for the first time builder. if you are interested in small boat construction, this model is built the same.