This boat is easy to build using our downloadable boat plans. our boat plans are available for instant download so you can start building right away.. We have dinghy boat plans for dinghies up to 12′, most of which can be used with oars, sail, or small outboards. find dinghy sailboat plans at bateau!. Find the highest quality sailboat plans here—complete with illustrated step-by-step instruction manuals! sailboat plans for our earlier designs are on 24" x 36.