Rectangular Hygrometer Filament Spool Display

Simple hygrometer holder for Sunlu spools. Fits both newer styles of Sunlu Spools. Might fit other spools that have similar hole layouts. Pegs are set to print against the plate to remove the needs for supports. Fits the rectangular hygrometers (Found here) Simply press the hygrometer in all the way. Put one side of the holder into the spool, and then leverage the other side in. Will display hygrometer, and doesn't add any extra dimension to the spool size. Has holes going through to feed filament for storage if desired.