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!. Radosław werszko – wooden dinghy designer and builder – 4.5m dinghy. Boat plans: boat plans from 36 designers and counting. sail, row, power, paddle—we are sure you will find the perfect boat..