Is this 3D model free to download?

Yes, Dondolo v1.01b 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 Gianni3D, 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.

Dondolo v1.01b 3D printable model by Gianni3D

Dondolo v1.01b

Source: Thingiverse by Gianni3D

The Dondolo v1.01b is a free printable 3D model from Thingiverse by Gianni3D. Dual rocking extruder for Prusa i3. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,171 saves Source: Thingiverse Updated 2026-10-16 License: CC-BY-NC · non-commercial 13 makes Category: 3D Printer

Tags: 1 stepper, direct drive extruder, dual, dualstrusion, dual extruder, dual extrusion, dual material, prusa i3

About this model

Dual rocking extruder for Prusa i3. Direct extrusion with a single stepper motor. Basculating heads prevent inactive nozzle to interfere with the part already printed avoiding contamination. Anti-oozing system. Reduced mass allow direct extrusion. 09/05/2016 In order to make the project more "readable" I tried to simplify and put in some order. i) Eliminated the 3mm version (too hard to make it working!) ii) Added 0.5mm clearance from heatsink to backplate, so modified Idlers, Idlers_pivot and Pendulum. iii) Modified Idlers to avoid mutual interference and Servo_Cam interference iv) Modified the fan duct (print fan) for a more efficient cooling v) Added "mouse ears" to Pendulum and BackPlate to improove adesion and make prints easier ( if you don't want them you can do a "Divide ojects" an…

Frequently asked questions

Is this 3D model free to download?: Yes. Dondolo v1.01b 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 Gianni3D.
Who made this model?: Designed by Gianni3D, 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.