February 20, 2026
Description
The lower cylindrical section fits securely into a standard tube, while the conical body transitions to a square top designed to engage and rotate compatible ashtray mechanisms.
The tapered shape provides:
Good grip
Smooth torque transmission
Compact and durable structure
Ideal for custom builds, workshop tools, or replacement parts.
Designed for easy FDM printing without supports (print with the cylindrical base on the build plate).
Recommended Print Settings:
Layer height: 0.2 mm
Walls/perimeters: 3
No supports required
Brim suggested
Dimensions
Tube insertion diameter: 38 mm
License:
Creative Commons — Attribution — Noncommercial
9
Mattia Vignolo
