Why?

After starting with 3D printing, I ran into a common issue: what to do with all the filament rolls and filament boxes? I like the way they look, but having them disorganized or in cardboard boxes did not look that good and made proper use of space around the printer. So I considered looking into a way to store them properly. I started from my main requirements: stackable, both vertical and horizontal, to make proper use of available space, easy to connect and disconnect (for ease of reconfiguration) and easy to print.

Project:

Print time is around 5 hours, with a modifier added for the vertical arms in order to increase infill for strength, without requiring to much infill for the base, where the weight is distributed on a large surface. Material use is 125g, so with a 1kg roll you can print 8 pieces, which can be stacked 1x8, 2x4 or any combination you need and makes the best use of available space.

Printing:

   Materials: I used both PLA and PETG for testing. Don't think PETG is required, as distribution of the weight is balanced and even stacking 8 did not produce any issues with PLA. They are flexible enough to not create any pressure points, in all stacking combinations, but having at least 2 horizontal stacks connected will increase stability and strength exponentially.

   Printing: During several scale iterations, I did not find any printing issues, but going full scale (to fit a full size Bambu Filament box) meant having the supports very close to the edge of the plate. In order to ensure adhesion, I have increased the bed temperature with 10 degrees. Did not require any bed glue.

Connecting:

This should be straight forward, vertical connection is done by inserting the top of the legs into the spaces on the bottom of the print, it will make a proper clicky sound when its inserted properly. Side connection is done by lifting the print 1 cm, inserting from the left side to the right in the provided spaces in the 2 left legs, then pushing it down. There is a tight 0.2mm fit, so it should be very stable, but easy to insert and remove.

Supports:

The 4 side supports for the legs are easily removable, never encountered issues. Supports for the connection holes at the bottom are a bit tedious, I used a standard set of small pliers and easily removed them. Don't force too much, just poke the pliers into the support area, grab it and pull it out easily. I added some pictures below of the steps: 

If you have any issues, please comment and I will try my best to reply ASAP with a solution. Also, if you have any suggestions, please let me know and I will try to implement them.

Thank you and happy printing!