Woodturning Full Circle : The Guild of Master Craftsman Publications : 9781861085313 : 1861085311 : 07 Sep 2008 : Woodturning with a ?WOW? factor! Conventional wisdom says there's nothing new in woodworking, but Woodturning Full Circle by David Springett proves otherwise. The three-thousand-year-old craft of turning continues to morph in exciting new ways - and that's fully evident from the fascinating projects, puzzles, shapes, and boxes showcased in this book.They will knock your socks off, guaranteed! What's a streptohedron? Wait until you see! Just when David Springett thought there was nothing new in turning, he came upon a sphericon - a double cone that had been split along its axis, twisted (one half rotated through 180 degrees) and then rejoined. Intrigued, he thought it might be impossible to turn, but explored the possibilities and now the rest is history. Working his way through turning all the polygons, Springett developed and refined the twisted shape of a streptohendron