Sam Angelo continues his series on Hollow Form turning. In this, part 4 of 5, he takes you through the process of chucking a small log, forming the outside, and drilling a depth hole. He will conclude the series in part 5 as he hollows the piece and shows more on hollowing tools. Sam Angelo continues his series on Hollow Form turning. In this, part 4 of 5, he takes you through the process of chucking a small log, forming the outside, and drilling a depth hole. He will conclude the series in part 5 as he hollows the piece and shows more on hollowing tools.