Design software: aerohydro (marine design and modeling software and services) aerologic (lofting, simulation and analysis software) aeromarine research (tunnel boat. Links to boat plans some free boat plans, boat building information including plywood stitch and glue. full range of boat plans from sophisticated yachts to plywood. All power boats 16′ long and under. tech support. the best technical support: we will help you succeed! all our plans and kits come with full technical support..