Band saw inserts will inevitably get messed up over time. The answer? Woodline makes replacements for most popular models. These are either CNC cut HDPE or acrylic. Get an inexpensive set of replacement inserts and get back to work. 3 inserts per package.
*Semi-rigid plastic or acrylic material
*Will not hurt blade's teeth

Band Saw Table Inserts
QUESTIONS & ANSWERS
Ask a Question-
I need insert for Rigid 14” band saw. Which one fits.
With a few exceptions, TI1 is the insert for a Rigid 14" bandsaw. If you measure it should be a 2-1/2" diameter hole.
https://www.woodline.com/products/band-saw-table-inserts?_pos=1&_sid=56378f1a7&_ss=r&variant=5678617537