Simple little adapter to center the Nimble on the hot end Groove mount.
It keeps the Nimble centered and allows the Nimble to clamp on the hot end.
The Nimble Extruder
With an installed weight of less than 27 grams on your carriage/effector the Zesty Nimble is smallest and lightest extruder you can buy, it has ample torque and can be mounted in multiple orientations.
The Nimble is available from Zesty Technology.