For small wire spools with diameter of ~50mm a and width of ~ 38mm.
Although the relative small wall sizes of the holder, it snaps in quite well to the wall mount.
For mounting you additionally need the m3 - insets :
https://www.printables.com/model/152592-honeycomb-storage-wall
Printed with PLA, no supports needed.
The author marked this model as their own original creation.