The 10mm glas bore things are designed for 0.4mm nozzle. I glued them in place with a drip of silicone.
27mm glass bore connector:
Screw connector for 27mm bore and a 10/14mm hose.
I have printed it with 0.12mm layer 0.6mm nozzle in petg - works great.
The 14mm plug fits in all holes. The Plug in hose is designed to close off a hose temporarily.
The food dish is 30mm with a knob for the pliers.