Simple filament spool holder, 20 mm wide, can be mounted on any flat surface with medium sized screws.

It fits 2020 profile and you can mount it with T-nuts.

The object is oriented to sit with the flat surface on the bed.

Please comment and share pictures so I can fix any issues and make modifications.

This is an easy print. I've made several holders for my printers and they work really good. There is no need for support, any I'm using settings like this:

5 top and bottom layers
5 walls
35% infill
No support

It is possible that holes look a little "dirty" because they are printed over the empty air (without support) but this is OK because it is not visible under the screws and support only doubles the printing time.

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Filament spool holder ORIENTED