Is this 3D model free to download?

Yes, Iron Man Arc Reactor 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 Aelkaim, 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.

Iron Man Arc Reactor 3D printable model by Aelkaim

Iron Man Arc Reactor

Source: Thingiverse by Aelkaim

The Iron Man Arc Reactor is a free printable 3D model from Thingiverse by Aelkaim. I found multiple Arc Reactor models on thingiverse but none of them matched my needs so I made my own. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

2,943 saves Source: Thingiverse Updated 2026-11-02 License: CC-BY-NC · non-commercial 26 makes Category: Gadgets & Electronics

Tags: arc reactor, cosplay, Iron Man

About this model

I found multiple Arc Reactor models on thingiverse but none of them matched my needs so I made my own. :-) More pictures and build detail: Needed parts * Transparent PLA / PETG * 3x M3 screw, 20mm long * WS2812b LED ring, 24 leds (i got mine from aliexpress : ) * Either regular leds or more WS2812b as a strip, to be placed inside the main crystal (see pictures) * ~0.2-0.5mm copper wire Files to print Print in transparent at 100% infill * 01 - Cystal Ring.stl * 02 - Main Crystal - Bottom.stl * 03 - Main Crystal - Top.stl Print with your desired settings: * 04 - Upper grid.stl * 05 - Lower Grid and caps.stl If you wish to print the lower grid and caps separately I also provided 05 - A - Lower Grid.stl and 05 - B - My Caps.stl separately.

Frequently asked questions

Is this 3D model free to download?: Yes. Iron Man Arc Reactor 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 Aelkaim.
Who made this model?: Designed by Aelkaim, 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.