Simple Design for an Electric Toothbrush. This model has a hole radius of 26mm and depth of 8mm. This model works with the ORAL-B Braun Vitality toothbrush.

For Hex Baskets, I used the models by bigbrisco.

This is based of Zack Freedman Gridfinity designs and is licensed under CC BY-NC-SA 4.0.

(ignore the printing defect shown in the community image)