Compact 3D-Printed Ashtray with Optimized Threading

Overview

This compact 3D-printed ashtray is designed for portability, durability, and ease of use. With a diameter of just 5 cm, it fits comfortably in your pocket, bag, or glove compartment, making it ideal for travel or outdoor use. The ashtray features a screw-on lid with a curved notch for resting cigarettes or cigars, and a loop handle for attaching to keychains or carabiners.

Features

Compact Design: 5 cm diameter for easy portability

Screw-On Lid: Secure closure with ergonomic grip notch

Loop Handle: Attach to bags, belts, or keyrings

FDM-Optimized Geometry: Enlarged layer lines and subtle imperfections for authentic 3D-printed texture

Threading Tuned for PLA: The internal and external threads are calibrated to account for PLA’s thermal expansion during printing, ensuring a snug fit without post-processing

Print Settings

Material: PLA

Layer Height: 0.2 mm recommended for visible texture

Supports: Not required

Infill: 20–30% for durability

Nozzle: 0.4 mm standard

Assembly

Print both parts separately. The lid screws smoothly into the base thanks to the optimized threading. No sanding or adjustment needed if printed with calibrated settings.

Use Cases

Outdoor smoking areas

Travel ashtray for cars or backpacks

Pocket-sized solution for festivals, hiking, or urban use

Category: Keychains