Hawk Eye : a three axis tourbillon project

by Alduinien, published

Hawk Eye : a three axis tourbillon project by Alduinien May 10, 2018
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The Hawk Eye is an attempt to replicate the Deep Space Tourbillon of VIanney Halter. Although the main design is basically the same, I adapted it to a bigger scale and a clock with only one hand indicating minutes.

Print Settings

Printer Brand:

eMotion Tech


i3 Metal Motion






0.1 - 0.3 mm


15 - 85 %


Each part is printed with its own settings. Few need support but many require precision.
Be caeful especially with the following parts:
Make sure there is no imperfections on the surfaces in contact with each other.


How I Designed This

When I designed the Hawk Eye, I wanted to replicate the Deep Space Tourbillon into a fully working 3d printed clockwork mechanism. Eventually the main design is basically the same, I adapted it to a bigger scale and a clock with only one hand indicating minutes. I’ll have to be honest here, building this thing was far from an easy job. The mechanism is designed with more than 70 parts to print and 15 metal components including bearings and axis and it took me more than two months of work.

I thought about two ways of powering this clock : at first the classical way involving a weight but I experienced difficulties with firction and the tourbillon getting stuck quite often. Then I tried a more precise one involving a stepper motor piloted by an Arduino and it worked like a charm.

I invite you to read the guide I wrote to build this thing.

The additional parts and tools I mention in this guide can be easily found on model sellers or Amazon, here are the links to the ones I used :

-Arduino Kit : https://www.amazon.fr/gp/product/B01DDHSQJ8/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
-Weights : https://www.amazon.fr/gp/product/B00DZFMLX6/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
Fishing line : https://www.amazon.fr/gp/product/B075863D3Q/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
Screws : https://www.amazon.fr/gp/product/B075WWG65F/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
Other screws : https://www.amazon.fr/gp/product/B075RDC9J4/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1
3mm axis : https://www.amazon.fr/gp/product/B01G6PFK5W/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
2mm axis : https://www.amazon.fr/gp/product/B00UHHI1XE/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
Ball bearings :

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This is amazing. On my list to do next. Will post results

thanks for sharing.
how many bearings, screws (and sizes) and length of rods are required for this build?

from the included guide:
"Here is a (non comprehensive) list of the tools and additional parts you will require to build the Hawk Eye :
• Ø5 x Ø2 x 2.5 mm ball bearing (x4)
• Ø10 x Ø5 x 4 mm ball bearing (x3) (3 extra for motorized version)
• Ø22 x Ø8 x 7 mm ball bearing (x2)
• Ø2 x 11mm axis
• Ø2 x 16mm axis
• Ø3 x 45mm axis
• [2-20mm] M2 screws + washers + screwdriver
• Hacksaw (for cutting axis)
• Sandpaper (for postprint and rectifying axis)
• For mechanical version : 1-2kg weight + fishing line
• For motorized version : Arduino UNO kit including a stepper motor"

thanks for that, i didnt see the guide,pdf in the sea of components.

maybe you would want to include this info in the design description so less people bother you with the same inquiry :)

This looks amazing! Thanks for being willing to share it!

Super stoked for this!!

looks awesome
please let me know when we can down load all the parts to print I have a printer but need to test the accuracy and this would do a great job.

Can’t wait to try this out!

WOW looks like a challenge so eagerly awaiting the files :)

Only thing i can think of is the size of it. I assume the outer parts are broken up in pieces to print on 20x20 bed?

Probably a difficult build but yeah, i'll give it a go :)

Fantastic! I love this watch. Thank you

Can you advise me on where or who can print a 3D of :Deep Space Tourbillon of VIanney Halter, a 3 axis tourbilion?

I seen the note about it still being WIP. I'm looking forward to testing my printer on its ability to make uniform parts for a complex machine. Amazing design work and a wonder on how the original creator of the design came up with this.

when I download this it is just in one fully assembled object. is it meant to be all the separate pieces as separate file?

It's a work in progress

Ah cool. I look forward to seeing the end result