6/23/16 new version of ruarri from the building book added. stock plans and prices. 71′ ellemaid, in turkey. completed photos added 8/26/09. to my pleasure and i. Simplicity boats is about sharing information that helps people expereience the fun of boat building for the least investment of time, skills, or materials.. Nucor building systems is a leading manufacturer of custom pre-engineered metal building systems with over 1,000 authorized builders across north america..