We use a lot of different filaments when printing with our Flashforge Dreamer machines, and so does you probable, otherwise you wouldn't search for this?
I created this holder to help me solve the issue of other filament spools not really fit inside the Flashforge Dreamer. Thanks to the two side-panel/windows you can open up and thread filament into the machine from the side.
For more fun while printing, check out this video showing how ridiculously overkill i went when designing it! https://www.youtube.com/watch?v=a63vPWO1oGU
Print the following:
1x Chosen rod. (58, 98,118 or 148mm) They can easily be extended/adapted in a mesh-editor software.
Note. Rods are 20mm in diameter, should fit most spools.
How it was made and how it works!