No plans, i just made it up as i went along. scratch built mostly from stuff i already had in my garage. so-far it doesn’t leak! next is to find a motor. How i made a folding boat this feature is not available right now. please try again later.. How to build a wood jon boat ekena 4 x 20 x 12 rough sawn fir brace 12 x 12 shed by keith how to build a wood jon boat shed plans 8×8 free ashes you will return best.