Blog

Articles and news

Behind the Scenes $A parent and child assembling the Lumi educational refractor together$

Learning by building: why the Lumi comes with no instructions

4 September 2026Read article

3D printed Smallest telescope, ready for observation

Smallest Hits the Front Page of Hacker News

24 August 2026Read article

3D printed Smallest telescope, on display at an astronomy gathering

La 3ème Dimension at RAAGSO 17

24 August 2026Read article

3D printed Smallest telescope, ready for observation

Smallest featured on Hackaday: "Build Your Own Telescope, the Modern Way"

20 August 2026Read article

Picco 114/450 telescope, prototype in development

Picco pre-orders launching early 2027 at €350

20 August 2026Read article

Smallest telescope set up for a night observation session

La 3ème Dimension featured in L'Opinion: a portrait of a Tarn-et-Garonne workshop

17 August 2026Read article

Solar eclipse of August 12, 2026 observed from Verdun-sur-Garonne

Solar Eclipse of August 12, 2026: What We Saw From Verdun-sur-Garonne

15 August 2026Read article

News & Press $Lumi educational refractor observing in the Pyrenees$

Lumi featured in Ciel & Espace's special issue "Which telescope to see the planets"

14 August 2026Read article

La 3ème Dimension workshop during the Nuit des Étoiles at the Cité de l'espace

Recap: Nuit des Étoiles 2026 at the Cité de l'espace

14 August 2026Read article

News & Press $Lumi educational refractor observing in the Pyrenees$

Lumi reviewed in Ciel & Espace #608

14 August 2026Read article

Evening events at the Cité de l'espace, Toulouse

La 3ème Dimension at Nuit des Étoiles 2026 (Cité de l'espace)

20 July 2026Read article

Events $A child looking through the Lumi astronomical refractor$

La 3ème Dimension at the Made in France Show 2026 (MIF Expo, Paris)

20 July 2026Read article

Compact Smallest telescope for easily observing the Moon and planets

Buying a Telescope: The Guide to Actually Observing the Sky

30 May 2026Read article

La 3ème Dimension at the 19th Tautavel Astronomy Festival

La 3ème Dimension at the Tautavel Astronomy Festival

21 May 2026Read article

Faire Festival 2026 - Toulouse RoseLab

La 3ème Dimension at Faire Festival 2026

10 May 2026Read article

Telescope collimation tool

Collimation: Why Your Telescope Shows Blurry Images

15 March 2026Read article

Smallest portable telescope in its travel configuration

How to Choose a Portable Telescope in 2026: The Complete Guide

24 January 2026Read article

3D-printed telescope - Astronomical innovation

3D Printing Is Revolutionizing Amateur Astronomy: Complete 2026 Guide

24 January 2026Read article

Astronomical observation drawing of the Orion nebula

Discovering Astro-Drawing

22 January 2026Read article

Astronomy $Handmade 80/600 astronomical refractor built by Raphaël$

Building your astronomical telescope

17 September 2025Read article

Behind the Scenes

phone stand with MagSafe charger for iPhone. Similar to Scott Yu-Jan's stand

DR-01

12 September 2025Read article

Behind the Scenes

3D printed open source Plössl eyepiece, OEP project

OEP - The open source eyepiece

12 September 2025Read article

La 3ème Dimension at the Gratentour Star Party

Come see us on October 11, 2025

12 September 2025Read article

Behind the Scenes

3D printed LED sign

LED Sign

14 March 2025Read article

Behind the Scenes $3D-printed Bahtinov mask mounted on an astronomical refractor$

3D Printed Bahtinov Mask

1 June 2024Read article

Behind the Scenes

Easy Clip, magnetic mount for Quickfinder astronomical finder

Easy Clip

1 June 2024Read article

Seestar S50 equipped with a 3D-printed light shield and cap

Accessory Pack for ZWO Seestar S50

1 June 2024Read article

Behind the Scenes

Set of 3 3D-printed collimation knobs for Newton telescope

Collimation Knobs for Newton Telescope

1 June 2024Read article

Behind the Scenes

Restaurant, table optimization, storage, service.

Service Helper

4 March 2020Read article

Behind the Scenes

3D printed telescope with view of the Pyrenees and sunset.

Smallest

4 March 2020Read article

Behind the Scenes

Small educational telescope for astronomy and understanding optical function.

Lumi

1 December 2019Read article

Behind the Scenes

adaptation of handbag hook on a denim backpack on a Herschel backpack

B.H.H

2 October 2019Read article

Welcome to Our Blog

1 October 2019Read article