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December 13 2015


123D Exported Odroid XU4(from the official STEP sources)

I loaded the base STEP file in Autodesk 123D and exported as STL.
Will do the same with the top.
I will publish the top later after I print it.

It prints fine as long as you use supports on the raft(because of the tiny feet).

November 01 2015


Odroid XU4 - VESA Case

Case for Odroid XU4 from Hardkernel
make by: Steffen Taubenheim-Probst
No Commercial

October 24 2015

Tags: #dnb

October 13 2015


October 12 2015


Digital Sundial

The episode in [ENGLISH]: http://www.mojoptix.com/2015/10/25/mojoptix-001-digital-sundial/

L'épisode en [FRANCAIS]: http://www.mojoptix.com/fr/2015/10/12/ep-001-cadran-solaire-numerique



For those who have trouble slicing the gnomon, I ran the files through netfabb and re-uploaded them as:
-- Gnomon_Southern_NETFABBED.stl
-- Gnomon_Northen_NETFABBED.stl
Let me know in the comments if they don't still behave nicely with your slicer.

If you wish to print the gnomon in two halves :
-- Gnomon_Northen_half_1_of_2.STL
-- Gnomon_Northen_half_1_of_2.STL
They should fit on a 100x100 platform. (Thanks Zarlor for building these two files and fixing them ! )


Tadam !
A Sundial displaying the time inside its shadow, with actual digits ! There is a tiny bit of magic inside...

No batteries, no motor, no electronics... It's all just a really super-fancy shadow show. The shape of the sundial has been mathematically designed to only let through the right sunrays at the right time/angle. This allows to display the actual time with sunlit digits inside the sundial's shadow.

The sundial displays time (with actual digits !!) from 10:00 until 16:00, updating every 20 minutes.
You can precisely adjust the displayed time simply by rotating the gnomon (the magic box that displays time). So you can even adjust for Daylight Saving Time.

You'll also need :
--- an (empty !) jam jar
--- 3x M6 screws, flat head, length = 20 mm
--- 1x M6 screw, flat head, length = 50 mm
--- 4x M6 nuts
--- 4x M6 washer, outside diameter < 14mm

Tadam !
Un cadran solaire qui affiche l'heure dans son ombre avec des vrais chiffres ! C'est un peu magique.

Sans piles, sans moteur, sans électronique, etc... Il s'agit juste d'ombres chinoises très compliquées. La forme du cadran solaire a mathématiquement conçue pour laisser passer uniquement les bons rayons du soleil au bon moment/angle. Cela permet d'afficher l'heure en chiffres lumineux à l’intérieur de l'ombre du cadran solaire.

Le cadran solaire affiche l'heure (avec des vrais chiffres !!) de 10:00 a 16:00 toutes les 20 minutes.
On peut ajuster l'heure en tournant le gnomon (la boite magique qui affiche l'heure) sur lui même, par exemple pour passer de l'heure d'été à l'heure d'hivers.

Vous aurez aussi besoin de :
--- un pot de confiture (vide !)
--- 3x vis de taille M6, a tete plate, longueur = 20 mm
--- 1x vis de taille M6, a tete plate, longueur = 50 mm
--- 4x boulon de taille M6
--- 4x rondelles de taille M6 diametre exterieur < 14mm

Timelapse: https://www.youtube.com/watch?v=EoGVb82uCnA


October 08 2015


October 01 2015


September 14 2015


Cool Paper Towel Holder 1

It's probably the coolest paper towel holder on thingiverse right now!

Please Comment and Add Me.

There is also a 2nd file on my account that has the other half.

September 06 2015


August 15 2015


August 08 2015

Play fullscreen

Shy FX ‎- Old Skool Jungle full album

Tags: jungle music

July 31 2015


Dropping Eggs from Drones for Fun and Science - The Claw Egg Drop Mechanism

I was invited by a local school to participate in their Egg-Drop science event and this is one of the results. The reason they invited me was because they wanted to do something different this year. Instead of dropping boxes to protect contained eggs they wanted to drop eggs from a drone or multirotor and try to catch and protect the eggs.

The first iteration of the concept was this claw-type mechanism to drop one egg at a time. I modified the snap mounting from thingiverse.com/thing:745817 (Thank you glenchung!) to hold a servo. Assembly requires a miniservo and a bit of solid core wire or we hot glued part of a zip tie to the servo arm.

I had planed to use thingiverse.com/thing:28566 to create a custom servo arm but moved to a more complicated Rotary Egg Dropper instead. Check it out here: thingiverse.com/thing:859220/

More information at Instructables.com (http://www.instructables.com/id/Dropping-eggs-from-drones-for-fun-and-science/)

July 11 2015

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