Gridfinity Rectangular Hydrometer Storage Bin.

This model is a Gridfinity bin for storing the common retangular Hydrometers popular in the 3D printing community for monitoring humidity. The bin is a half height 3 by 3 Gridfinity bin with room for 8 Hydrometers and 9 of the LR44 batteries that are used in these Hydrometers. There also a 3d printed pick tool and place for it in the bin that helps you to remove the LR44 batteries from the bin, from the Hydrometers or both.The bin has finger pulls for removing Hydrometers, but if your fingers ar