Ultimate Filament Spool Holder

This is my ultimate Filament Spool Holder ;-)

Remark: Only the Filament Spool Holder is my design. All other parts in the photographs are only for illustration and are not designed by me. But I don't remember the sources. If one feels that I should reference his/her design please let me know and I will be glad to add the reference.

I have tried many different solutions to hold my filament spools. All had some benefits and also disadvantages. So I designed this one myself. It is very strong