Description
A classic “Check Engine” warning light icon turned into a 3D printable keychain or hanging tag.
Perfect as:
- a funny gift for mechanics and car lovers
- a keyring accessory for any driver
- a little wall or rearview mirror decoration
- a sarcastic reminder that your car might not be okay
Designed for dual-color printing – the body of the icon is dark (like black or gray), and the engine outline pops in a bright color (like warning-light yellow).
This model is provided as a .3mf file with two separate bodies (base + outline), ready for:
Automatic filament switching (e.g. ACE Pro, AMS, MMU)
Or manual pause-based switching – just insert a Pause at Layer command before the outline begins
Tested Print Settings:
Material: PETG (The Filament)
Nozzle: 0.4 mm
Layer height: 0.16 mm
Infill: 40%
Top Surface Pattern: Hilbert Curve (because I like it)
Supports: Not required
Brim: Optional
Filament swap: Pause before color layer (15)
Tags
License
Standard Digital File License
This work is licensed under the Standard Digital File License.
You are prohibited from sharing, sub-licensing, selling, renting, hosting, transferring, or distributing the digital file or 3D printed versions of this object, as well as any other derivative work in either digital or physical form (including remixes).You are not allowed to use the objects in any manner that involves charging money or collecting fees without permission.
You are prohibited from sharing, sub-licensing, selling, renting, hosting, transferring, or distributing the digital file or 3D printed versions of this object, as well as any other derivative work in either digital or physical form (including remixes).You are not allowed to use the objects in any manner that involves charging money or collecting fees without permission.

