Is this 3D model free to download?

Yes, Eng Case - Phone Case With Working Gears is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by tcrong, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Eng Case - Phone Case With Working Gears 3D printable model by tcrong

Eng Case - Phone Case With Working Gears photo 1

Eng Case - Phone Case With Working Gears photo 2

Eng Case - Phone Case With Working Gears photo 3

Eng Case - Phone Case With Working Gears photo 4

Eng Case - Phone Case With Working Gears

Source: Thingiverse by tcrong

The Eng Case - Phone Case With Working Gears is a free printable 3D model from Thingiverse by tcrong. Phone case designs with working gears, that demonstrate simple mechanical principles. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,958 saves Source: Thingiverse Updated 2026-09-21 License: CC-BY-NC · non-commercial 10 makes Category: Wearables & Cosplay

Tags: case, Gear, gearcase, iphine, iphone case, mechanical, mechanism, phone, phone_, phone cas, printable

About this model

Phone case designs with working gears, that demonstrate simple mechanical principles. Designed for Iphone 4/4s/5/5s/, more files for other phones will be available soon, like Nexus, and Samsung phones. video of working case: my blog:

Frequently asked questions

Is this 3D model free to download?: Yes. Eng Case - Phone Case With Working Gears is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by tcrong.
Who made this model?: Designed by tcrong, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

Similar 3D models in case

Browse related collections

Free Titan & Giant Mech 3D Prints for Wargaming Free BattleTech-Compatible Mech 3D Prints Free Phone Stand & Holder 3D Prints Free Arduino & Electronics Enclosure STL Files

Gear / Paid link Trending 3D printing gear on Amazon Nozzles, build plates, filament dryers, adhesion sprays and the tools makers are actually buying this month. See what's trending → Thinger earns a commission from qualifying purchases made through this link, at no extra cost to you.