About this 3D model

Two rings for Smartfil PLA recycled spool made of carton, one with centering dot and the other without to safe your AMS from failing because of this biodegradable spool. Both rings have a hook at the edge of the corner that prevents the spool from getting detached will spinning. Hope it helps and becomes useful. External diameter of 202 mm, wall of only 1 mm. Within AMS roll specs of 197-202