Layered 3 pieces of 3 mm plywood. With a functioning lock that can be used from the top with a screwdriver.
Need help with doing a cut on wood - Getting Started With LightBurn - LightBurn Software Forum
BOSCH GTS 10XC retrofit to INCRA-LS-POSITIONER and INCRA MITER 5000
lambdasign - Zero Clearance Inserts
Zero Clearance Fireplace Recommendation for New Construction
Promo] Bosch TS1005, Zero Clearance Insert for Table Saw
Bosch Model 4000 & 4100 Series Table Saw Zero-Clearance Blade Insert 4130 Approx Dims 13-5/8 in x 3-3/4 in x 3/8 in
Poor man's quick & dirty Bosch GTS 635-216 zero clearance insert : r/woodworking
Bosch GTS 10J DIY zero Clearance Insert
Band saw zero clearance insert?