Stock Neptune 4 reverse bowden addon with UBBI head

UBBI adapter to enable reverse bowden capability on stock neptune 4 shroud

Features:
- Thickened to add more rigidity
- Twist locking mechanism with audible snap
- Prevents filament tugging and uneven extrusion

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Recommended print settings:
- Nozzle diameter: 0.4mm
- Layer height: ≤ 0.2mm
- Reverse on odd: disabled
- Precise walls: enabled
- Wall order: i/o/i
- Tolerance requirement: 0.1mm
- Print orientation: as imported
- Supports: as shown in picture

Recommended materials:
 - PETG
 - ABS/ASA

Changelog: