I made a Toothbrush Organizer for an OralB iO.

I added holder for two Brush heads und i've integrated the charger in the holder. A place for a Toothpaste Holder. 

I made two models, one with the charger on the left side one on the right side, 'cause of the cable exit so that you can choose which one is better for you.

I printed it in white PETG, but you can also use others materials.

For the support i used this method:

I'm testing it and by now i think that's pretty good!