Is this 3D model free to download?

Yes, Realy Duplo Compatible 3D-Printing Optimized Brick (4x2) 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 Ragnar1337, 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.

Realy Duplo Compatible 3D-Printing Optimized Brick (4x2) 3D printable model by Ragnar1337

Realy Duplo Compatible 3D-Printing Optimized Brick (4x2) photo 1

Realy Duplo Compatible 3D-Printing Optimized Brick (4x2) photo 2

Realy Duplo Compatible 3D-Printing Optimized Brick (4x2)

Source: Thingiverse by Ragnar1337

The Realy Duplo Compatible 3D-Printing Optimized Brick (4x2) is a free printable 3D model from Thingiverse by Ragnar1337. Hey, this is my first upload on Thingyverse and I'm happy to give something back to the community. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

464 saves Source: Thingiverse Updated 2026-10-24 License: CC-BY-NC · non-commercial 6 makes Category: Toys & Games

Tags: 3dprintable, duplo, duplo brick, duplo compatible, lego duplo

About this model

Hey, this is my first upload on Thingyverse and I'm happy to give something back to the community. This thing has gone throug a lot of testing and is now in a state I feel comfortable publishing it. This is finally a Duplo compatble brick that: - Fits! (see the video in the files) - Is designed to be 3D-printed - Has smooth endges as it should since it is for toodlers What more can we expect of a brick? Please let me know your thoughts and results! PS: The blue brick at the photo is the 3D-pinted one. André Updates: 13.05.2018: V2 is now tested an realeased which includes minor design bugs which have been solved. 07.09.2018: V6 further minor tweaks. Fits now perfectly printed with PLA with my printer. Video:

Frequently asked questions

Is this 3D model free to download?: Yes. Realy Duplo Compatible 3D-Printing Optimized Brick (4x2) 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 Ragnar1337.
Who made this model?: Designed by Ragnar1337, 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.