thing
thingiverse
did this for a school project and manly did this to learn the on shape program. this can also be used as a organizer but it is up to you.
Download Model from thingiverse
With this file you will be able to print thing with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on thing.