I occasionally acquire sample filament. They come in large loose loops and do not fit my current reels. The hub is too small and the reel is too wide. This design comes in two halves with hold together by close fitting friction. Easy to separate and firm enough to stay together in use.

Material: Black PLA

Room temp plate with hairspray as adhesive

Settings:

Nozzle: 0.4

Quality:

Layer height .10

Shell thickness .90

Fill:

Bottom/top thickness 1.8

Fill density 20-23%

Support:

Type Touching  plate

No brim or raft