Is this 3D model free to download?

Yes, Dragon-arm demo 3-DOF arduino based robot arm is free to download from Cults3D. Open it in the free Thinger app, or use the "Download from Cults3D" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Cults3D. Use the "Download from Cults3D" 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 SpaceDragon3D, published on Cults3D. 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.

Dragon-arm demo 3-DOF arduino based robot arm 3D printable model by SpaceDragon3D

Dragon-arm demo 3-DOF arduino based robot arm photo 1

Dragon-arm demo 3-DOF arduino based robot arm photo 2

Dragon-arm demo 3-DOF arduino based robot arm photo 3

Dragon-arm demo 3-DOF arduino based robot arm

Source: Cults3D by SpaceDragon3D

The Dragon-arm demo 3-DOF arduino based robot arm is a free printable 3D model from Cults3D by SpaceDragon3D. > Dragon-arm demo is basic cheap 3 DOF robot arm made on servomotors Its good for simple tasks, learning about robotics or developing new projects > Main feature and point of. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Cults3D

30 saves Source: Cults3D Updated 2026-10-30 License: PRIVATE-USE · non-commercial Category: Gadgets & Electronics

Tags: diy, robot, robotics, arduino, educational, hobby, electronics

About this model

> Dragon-arm demo is basic cheap 3 DOF robot arm made on servomotors Its good for simple tasks, learning about robotics or developing new projects > Main feature and point of that robot is my SpaceDragonApp programmer you can test with it and then switch to my more advanced robots like Dragon-arm one --- Specification: - payload - 500g+ - accuracy/repeatability - based on your servos - DOF - 3 - maximum reach - ~200mm - price to make - ~43 euro (depends on parts you chose and where you buy them) Future features: - ready toolheads - full documentation and assembly instruction support --- All parts you need to make this robot: - 3d filament 4A (robot base is designed for USB C mount on the side but you can do it - different like connecting supply directly to PWM expander) - M3 inserts and 8m…

Frequently asked questions

Is this 3D model free to download?: Yes. Dragon-arm demo 3-DOF arduino based robot arm is free to download from Cults3D. Open it in the free Thinger app, or use the "Download from Cults3D" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Cults3D, not by Thinger. We link you directly to the original listing by SpaceDragon3D.
Who made this model?: Designed by SpaceDragon3D, published on Cults3D. 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.