{"data":{"make":{"id":"3034246","created":"2025-12-07T21:01:56.656690+00:00","edited":null,"deleted":null,"isMake":true,"printer":{"id":"749","name":"Prusa MK4S","__typename":"PrinterTypeType"},"parent":null,"author":{"id":"2752405","handle":"Gdubizm_2752405","verified":false,"dateVerified":null,"publicUsername":"Gdubizm","avatarFilePath":"media/auth/avatars/5b/5bf1f1dc-0b52-42fe-85eb-bebfe4be2f3b.jpg","badgesProfileLevel":{"profileLevel":16,"__typename":"BadgesProfileLevelType"},"__typename":"UserType"},"images":[{"id":"2883809","filePath":"media/comment_images/71/93a19d-959a-45ec-8274-2a28cc315cd1/20251207_154159.jpg","rotation":0,"__typename":"CommentImageType"},{"id":"2883810","filePath":"media/comment_images/de/73459c-dfd7-4313-ab97-4316c6fbdc96/20251207_154338.jpg","rotation":0,"__typename":"CommentImageType"}],"mentions":[],"text":"Gift for a big time car guy in my family. Looks awesome.","rating":5,"likesCount":1,"liked":null,"membershipAgeMonths":0,"modelData":{"model":{"id":"1090367","ratingAvg":"4.7500000000","ratingCount":4,"__typename":"PrintType"},"__typename":"ModelDataType"},"membershipTier":null,"__typename":"PrintCommentType","model":{"eligibleForNomination":false,"id":"1090367","slug":"speed-rpm-key-holder-hanger","name":"Speed & RPM Key Holder Hanger","authorship":"author","club":true,"excludeCommercialUsage":false,"price":"5.00","eduProject":null,"ratingAvg":"4.7500000000","myRating":null,"ratingCount":4,"description":"

\ud83d\ude97 Transform your wall into a dashboard with this Speed & RPM Key Holder! A functional and fun way to organize your keys.

Printing Instructions

Most parts can be printed with 3 walls and lightning infill, except where noted below.

Colors (as in the reference image):

Black:

Case.3mf (Use 5% grid infill for better stability).
Screw.3mf

Red:

Hook.3mf
Pointer.3mf

Silver:

Cover.3mf

Random Colors (Internal Parts):
These are not visible, so color doesn\u2019t matter. High-quality filament is recommended.

CenterGear.3mf
CentralPin.3mf
Connector.3mf
GearBase.3mf
Lever.3mf
OuterGear.3mf (Use 80% grid infill as this serves as the counterweight).
PlanetGear.3mf

Multicolor Panels:
Panels can be printed on a standard single extruder printer with manual filament changes at specific heights. Use 0.1mm layer height for best results.

Pannel-MPH.3mf and Pannel-KMH.3mf:
Start with black and switch to white at 1.2mm.

Pannel-RPM.3mf:
Start with black, switch to white at 1.2mm, and to red at 1.8mm.

Assembly Video

For a detailed assembly guide, watch the tutorial here:
YouTube: Speed & RPM Key Holder Hanger - Building Instructions

Assembly Tips

Friction is the main challenge. Ensure all parts are smooth and free of strings. A heat gun or torch can help remove imperfections.
During assembly, test each moving part. If anything sticks, consider sanding or identifying where it\u2019s catching.
While the OuterGear works best with 80% infill for weight, tests show it can function with lower infill if the system is smooth enough.

Commercial License & More Benefits

Expand your business opportunities with a commercial license for all my designs, plus exclusive benefits such as early and free access to new models. Get your benefits here:
https://www.printables.com/@jajaum3d#join.@jajaum3d.64

Description

The Speed & RPM Key Holder Hanger is a unique and functional design for automotive enthusiasts. This key holder not only keeps your keys organized and away from the wall to avoid scratches but also adds a touch of creativity to your space with customizable panels.

Choose between KM/H, MPH, or RPM displays to fit your preference. Pair it with the Fuel Gauge Wall Key Holder Hanger to create a complete car-inspired dashboard. It\u2019s perfect for car lovers, motorcycle fans, or anyone looking to add a personalized touch to their home decor.

The modular design is 100% 3D printable, requiring no additional parts like springs or screws. All moving components are integrated into the design, ensuring simplicity and elegance in functionality.

See All My Designs
https://cults3d.com/en/users/jajaum3d/creations

All my designs are protected by Copyright Law. Purchasing does not grant the right to sell any digital file or printed model of my designs without explicit consent. Please respect the hard work of 3D artists by not sharing or selling digital files.

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Speed & RPM Key Holder Hanger

Speed & RPM Key Holder Hanger

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