Is this 3D model free to download?

Yes, Mechanical Iris Ring Box 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 fodork6, 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.

Mechanical Iris Ring Box 3D printable model by fodork6

Mechanical Iris Ring Box

Source: Thingiverse by fodork6

The Mechanical Iris Ring Box is a free printable 3D model from Thingiverse by fodork6. Here's a video of how this thing works Here's the description of this thing on my website I designed this ring box with SolidWorks and printed the parts with a Prusa i3 MK2S. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

2,163 saves Source: Thingiverse Updated 2026-10-09 License: CC-BY-NC · non-commercial 1 makes Category: Wearables & Cosplay

Tags: 3d iris, 3d printed, 3D printing, engagement ring box, iris, Iris box, mechanical eye, Mechanical Iris, mechanical toy, ring box

About this model

Here's a video of how this thing works Here's the description of this thing on my website I designed this ring box with SolidWorks and printed the parts with a Prusa i3 MK2S. For the wood-like parts, I used Gizmodorks woodfill PLA filament, and for everything else, I used Solutech green PLA filament. To get a more authentic wood look, I just used some indoor furniture wood stain. I provided assembly instructions below. Also, you will need the following hardware: - 8mm aluminum rod, ~53mm long - Three pcs. 8mm aluminum rod, 8mm long - Four pcs. 1/8" aluminum rod, ~0.3" long - Four pcs. roller bearings, OD 9.525, ID 3.175, W 3.969. These are available on MSC. - Three pcs. #8 machine screws and nuts Good luck, and let me know if it works. EDIT on 16:54 EST,10/23/2018: Added missing file "elev…

Frequently asked questions

Is this 3D model free to download?: Yes. Mechanical Iris Ring Box 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 fodork6.
Who made this model?: Designed by fodork6, 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.