Collection of 3D printed accessories for the Pepper Cannon
Lots more info at: https://tomhorsley.com/hardware/corexy/gallery-pepper.html

Video at: https://www.youtube.com/embed/Fr05X_PLUvE

OpenSCAD modules used in the parts:

pepper-cannon.scad
All the custom modules defining the bits of the accessories

hexnut.scad
Utility module for hexnut shapes

helix_extrude.scad
Utility module used for threads to attach to vial (got this
from thing 2200395)

funnel.scad
Utility funnel shape module

The parts themselves:

adapter.scad
The adapter that slips over the cap to be driven by a drill

drill-connection.scad
The connector that slides into the above adapter and
has the shaft for the drill to turn.

loader.scad
The pepper loading funnel to sit on top of the cannon

measuring-cup.scad
The adapter to add a graduated vial to grind pepper into

Test prints to check dimensions before building final part:

test-adapter.scad
Print just base of adapter to test the fit with the drill connector

test-slice.scad
Print just a slice of the adapter to see if it fits the top well

test-vial.scad
Print just the vial cap to see if the threads work.