Filament Dry Box Floor Standoff

I purchased a few watertight plastic boxes from the Container Store to keep filament spools dry when not in use. I filled the bottom of each box with about 4mm of desiccant beads to absorb moisture inside the box. However, when pulling out a spool...several desiccant beads would always stick to the spool and drop off around the room.

I decided to design a standoff for the bottom of the box with ventilation holes to allow the desiccant to share airspace with filament.

The bottom of the box