FilRight Spindle Boxes and Dropper

Here's a design for storage containers and boxes that can fit in your FilRight 1.5kg PLA (and most likely other) Filament spool.

There are three versions of the box:
- one slot
- two slot
- three slot

I'm planning on making a couple more that are half the size of the spindle rather then 1/4th piece.

I also included a piece to put in the center area of the spindle allowing you to put more stuff in there. Added to this I have three "lifters" that fit in this cylinder so you can more easily take out the stuff you put in the box.

PLEASE NOTE: the lifters have not been tested yet but should be printable/work.

EDIT
I added some stacking elements that allow you to stack the spindles on top of eachother so they stay in place. There are two versions, both with a longer version that can be used for more stability.

Stacker Big -- Fits in the big holes that the spindle has and acts as the main spot to keep it stacked. Using these without the small ones allows you to swivel th