Your parts are only as accurate as the machine you make them on, and the table is an important part of the Shapeoko’s accuracy. A machine-leveled worksurface is essential for getting cuts of consistent depths, especially with thin materials. This is how I designed a supplementary wasteboard for my Shapeoko that I could affix work pieces to with absolute confidence.
*Note: These files are provided as-is with no support, or guarantee of success. User discretion is advised.