This adapter is usefull if you want to use the Gravity Spoolholder for single filament Prints without the noisy clonk sound 😏
My recommendation:
Print in PETG 0.15mm layer height, 15% infill gyroid, no support.
Standard:
Print in PETG or PLA 0.2mm layer height, 10% infill gyroid, no support.
The author remixed this model.