Print the left side as usual, and on the right side, use 100% fill so that you can cut it with your saw to achieve zero clearance. For installation, you'll need four M3 nuts and four M3 bolts with a thread length of approximately 6mm.
felder-crosscut-fence-insert-left.stl | 98.2KB | |
felder-crosscut-fence-insert-right.stl | 110.3KB |