Trixie Dog on Tour Bottle – Replacement Connector (Cap & Valve Housing)

Replacement for the grey threaded connector of the Trixie Dog on Tour drinking bottle with bowl – the plastic travel bottle that folds down into a long bowl and pivots on a white valve pin (not the steel Friends on Tour bottle). Mine cracked at the thread, so I designed a new one. You print only the grey part; the original white pin and the bowl stay.

WILL IT FIT YOUR BOTTLE?

I made it for my Trixie Dog on Tour. Similar unbranded bottles exist and may differ, so measure before printing (calipers):

- White pin, diameter at the soft sealing band: 11.7–11.8 mm

- From the flat face of the pin's flange to the centre of the hole in the pin: 18 mm

- From the flange face to the start of the groove at the other end: 35 mm

- Diameter at the bottom of that groove: 10 mm

- Bottle neck, outside diameter over the thread: about 26.8 mm

If your numbers are different, it won't fit. The thread is the standard 28 mm PCO 1881 (most soda bottles and many water bottles), so normal PET bottles screw in too.

HOW IT WORKS

Same as the original: bottle folded into the bowl = valve closed; lift the bottle upright = the hole in the pin lines up and water flows into the bowl. The inlet and outlet ports are slotted (±25°), so it opens even if the bottle isn't exactly vertical. The original's small rotation-stop tab is not included – the bowl itself limits the movement.

PARTS

- Housing (print 1).

- C-clip – replaces the original snap fingers and holds the housing on the pin. Print both versions (1.0 and 1.2 mm) and use the one that sits in the groove without play. Bonus: you can take it apart for cleaning.

- O-ring 21×2 mm (ID 21 mm, 2 mm thick), silicone VMQ 70 Shore A – REQUIRED. It sits in the seat in the ceiling of the cap and seals the bottle neck. Without it the neck leaks. Inch O-rings (AS568 -019/-020) don't fit the seat.

ASSEMBLY

1. Press the O-ring into the seat in the ceiling of the cap.

2. Find the end of the tube with the thin groove around it – that end goes towards the pin's flange.

3. Push the pin into that end, groove end first, until the flange touches the tube. The sealing band is a tight fit – twist while pushing, a drop of water helps (no oil).

4. Snap the clip into the pin's groove on the other side.

5. Fit the pin into the bowl like the original, fill the bottle, fold it and shake it over the sink to check for leaks.

PRINTING

- PETG. Don't use PLA – it softens in a hot car.

- Print the housing as in the file: cap opening down.

- 0.15 mm layers, 4 perimeters, 100% infill, 5 mm brim (all saved in the 3MF).

- SUPPORTS ARE NEEDED under the ceiling of the cap (a 24.8 mm bridge above the O-ring seat). My first print without supports had holes there and water got inside the cap. In the 3MF the supports are painted only in that spot, from the build plate, so the thread stays clean.

- About 45 min and 11 g (Prusa CORE One+, 0.4 nozzle).

FIT TEST (optional)

DogBottle_Connector_TEST_PETG_CoreOne.3mf: 2 thread rings (1 notch = tighter, 2 notches = looser), 4 short tubes with bores 11.6 / 11.7 / 11.8 / 11.9 mm (1–4 notches) and both clips. The housing uses thread ring 1 and the 11.9 mm bore – that's what fit my bottle and pin best. If you need other sizes, leave a comment.

CARE

Wash with warm water (not boiling – PETG softens around 75 °C) and let it dry. If a slimy film appears in the layer lines, print a new one. The clip is small – keep it away from your dog.

This is a fan-made spare part, not affiliated with or endorsed by TRIXIE. The product name is used only to say what it fits.