For the most part woodworkers like to build their projects from solid wood. Easily transported from the supplier to the shop and once in the shop easily moved from one machining operation to another but what about those times we decide the project selection of wood adds to much cost to the item and /or our pocket book, so our secondary selection of material is sheet goods (ie, plywood, mdf ). Now our next concern is how can we handle these cumbersome materials from transportation to maneuvering them within the shop. Many manufactures offer a product to aid in the task but for a few minutes of time and some simple scrap one can be made.
-- Smitty, Alabama, http://www.firstdesignwoodworking.com/