The jupiter point series of kayak designs are intended as easy-to-build, fun-to-paddle, versatile collection of kayaks. with a simple 3-panel hull and unique 3-panel…. Free kayak and canoe plans what is the difference between free and paid for plans? often nothing! proven free canoe and kayak plans have been made available. Designers, plans & kits a to m: 16′ mckenzie river driftboat plans and construction manual (from altair industries) ace marine ltd. (low cost naval architecture.