Cocooon Create Mini spindle extension

EDIT: I'd found that the original spindle end was too large to fit smaller reels on, especially those from the resized Modular Sample Filament Spool by Haldiman. I've since done another spindle that will allow smaller reels to fit and included that as well.

Replacement spindle for the Aldi Cocoon Create Mini (Wanhao Mini) 3D printer.

The stock one on the Cocoon Create is ridiculously small (for proprietary filaments) and as a result larger 1kg spools have a nasty tendency to jerk, fla