Summary: I used a sheet of printer paper between the assembly and the table top to protect the surface and prevent slipping The finished part and connecting parts are shown in the photo below Super glue and epoxies are good for holding parts in the lathe I once machined a large lens cap for a camera by epoxying a delrin blank to a freshly faced aluminum piece in the lathe
Image Dimensions: 169 x 98
Image originally found here.