Had bridging with two different PLA suppliers with a H2D on one section on the front. The design though I really like and hydrometer fits perfectly. I think the design should be thinner in the back though to allow for rotation in the container. These only fit in one orientation.

The print profile is good. I think the design is flawed though. This design should point the filament towards the center of the spool to allow for forwards rotation and it should have a finger indent to help with removal and it does neither. Third because the bambu spools do not have enough of this cutout holes these clips are rarely going to be in the right spot, forcing you to cut some filament.