Kling is an audible memory-game. Train your brain and ears while matching tiles with the same tone. Kling is the counterpart of Klang and available on the app store for free.

»To what extent can silence help to portray sound? To what extent can sound help to portray silence? Can you play silence?«
Mick Goodrick, The Advancing Guitarist



Klang is a meditative melodic puzzle game. It's my final Interaction Design-BA project. I found the inspiration for it while writing about the possibilities of using melody as core game-mechanic. Klang, as the name implies, focuses on sound and thereby creates a unique game-experience.

Klang is available on the app store. To find out more about it, visit the in-depth project page.

Golden Gate Bridge, Aerial

»When you are solving a difficult problem re-ask the problem so that your solution helps you learn faster. Find a faster way to fail, recover, and try again.«
Aza Raskin, You Are Solving The Wrong Problem



From September 2013 to Winter 2014 I worked as a freelance Interaction Designer for Jawbone. I crafted Data Visualizations in D3, as well as animations, mockups and interactive prototypes in Framer, Quartz Composer and HTML/CSS/JavaScript/jQuery. I was responsible for the UX in UP Coffee and other projects which will be released in 2015. All of them were supervised by the VP of Innovation, Aza Raskin.

»I try to push the colors through a prism back to white.«
Asaf Avidan, Different Pulses

Life a tactile comic
Life 1
Life 2
Life a tactile comic


In 2013 I created a tactile comic book for blind people as well as a semi interactive CSS Comic. Check out the detailed project page to find out more.

A beautifully simple comic book.
– Wired

See if you can make it to the final blank page without getting weepy.
– Co.Design

We’re just impressed to see comics moving into new and exciting territory.
– It's Nice That

A simple, yet incredibly touching tale.

As an exercise in design for all, Life is invaluable.
– Gizmodo

Life has some definite possibilities for further exploration.

…ein Einstieg in das Wesen einer völlig neuartigen Bildgeschichte, die Blinden und Sehenden gleichermaßen zugänglich ist.
– GEO 09|2013

Streetlight in Copenhagen

A street light in Copenhagen.

»I would go so far as to say that practice is philosophy, for practice itself encompasses philosophy, and philosophy without practice is shallow indeed. A lengthy description of a glass of water is no substitute for the experience of drinking a glass of water; so it is with art [or Interaction Design].«
Ivan Brunetti, Cartooning: Philosophy and Practice

Flaneur 1
Flaneur 2
Flaneur 3
Flaneur 5
Flaneur 4

Flaneur App

The Flaneur App is a working prototype build by Christopher Pietsch, Sebastian Sadowski and me. The app helps you to explore a city in a flaneur way. Simply grab your phone, move it like a fishing rope and get a result instantly. You can select between categories like drinks, food and culture. Depending on the direction and the strength of your throw you get suggestions nearer or farer away. A small navigator and the approx. walking time is shown next to the address. Besides that you can see pictures, a rating and read reviews. If you don't like what you fished, throw once more…


A mechanical elliptical machine in Malaga. Seaview included.

»The child takes something apart, breaks it up in order to know it; or it takes an animal apart; cruelly takes of the wings of an butterfly in order to know it, to force it's secret. The cruelty itself is motivated by something deeper: the wish to know the secret of things and of life.«
Erich Fromm, The Art of Loving

Fog left
Fog right

Visiting a breathtaking installation by Olafur Eliasson.

»Art, as I see it, is any human activity which doesn’t grow out of either of our species’ two basic instincts: survival and reproduction.«
Scott McCloud, Understanding Comics

Tag 1
Tag 2
Der Tag

Der Tag

Der Tag means the day. I made the project during my studies. The task was to work on the topic timetravel. I wanted to make a whole day explorable on a single picture, precisely the time from sunrise 7:50am till sunset 4:50pm. I took one picture every minute, that makes a total of 540 images. To process all the images I wrote a little processing script that overlaps all 540 images. I extracted 8 pixel in width and the full hight from each image.

The first image, taken on 7:50am, covers the segment from the first till the eigth pixel. The second, taken on 7:51am the segment from the ninth till the seventeenth pixel and so on. Due to this technique the composition of the image stays the same and you can directly see the day passing by. The little black stripes in the middle are people and dogs walking on the frozen Channel in Berlin Kreuzberg.

Kunsthalle Graz 1
Kunsthalle Graz 2

Kunsthalle Graz

Before spending a whole day taking pictures, I wanted to see if the idea works out beforehand. Therefore I used images from a webcam which shows the Kunsthalle Graz. The webcam takes two pictures each day. One around noon and one in the evening. On the first picture you can explore the change of daylight-hours throughout the year with longer daylight in the summer. On the second picture you can clearly see the change of the seasons from frozen water on the left to trees with green and finally orange leafs on the right.

»Aaron dead. World wanderers, we have lost a wise elder. Hackers for right, we are one down. Parents all, we have lost a child. Let us weep.«
Sir Tim Berners-Lee pays tribute to Aaron Swartz

Knockbox 1
Knockbox 4
Knockbox 3
Knockbox 2


The Knockbox was a little experiment a friend and I made. We used an Arduino board, parts of a bell, a piezo and a wooden box. Actually we made two. Each of us had one. The piezo recognized when you tapped on the box, via network the tap was transferred to the other box, which reproduced the sound mechanically and vice versa. It's almost like playing a semi-analog-network-connected-collaborative-instrument.


»Our pioneers are those who transcend interaction — designers whose creations anticipate, not obey
Bret Victor, Magic Ink


2010 on a ferry with an old Leica dating back to the first half of last century. Featured on fwaphoto.com.

»In our world, we have enough power to topple our most important systems, but not the power to restore most of them.«
Alan Kay, Enlightened Imagination For Citizens

Cycling 2
Cycling 3

Thank you for cycling

Berlin needs more cyclers that's why David Ikuye, Hannes Nützmann and I went out and attached 150 hand folded origami hearts to random bicycles. On the front was written Thank you for cycling, on the back a URL that directed you to a page on which you could get more information about the project.

»I wish you had created me so that I could die.«
Werner Herzog as the voice of a plastic bag in the short movie with the same title.

A daytrip to Møns Klint. It's a long way up and down the stairs…

Møns Klint

»Nobody's ever born alone.«
Nick Mulvey, I Don't Want To Go Home



After finishing a prior 16mm film project Max Firchau and I were invited by coulisse to follow them to their photoshoot for the yearly catalogue in Ibiza. With this film we give an insight to these days.

We shot the entire film completely analog using a Bolex H16. Max produced the background music. I played guitar on the track.

»Wer schreibt, denkt an einen Leser. So wie der Maler, wenn er malt, an einen Betrachter denkt: Kaum hat er einen Pinselstrich angebracht, tritt er ein paar Schritte zurück und prüft die Wirkung; d. h., er betrachtet das Bild mit den Augen dessen, der es künftig betrachten soll.«
Umberto Eco, Nachschrift zum Namen der Rose.


»Zu viele Mittel für zu wenig Zweck.«
Peter Sloterdijk, Zeilen und Tage: Notizen 2008-2011

Klangbild 1


Klangbild translates to Soundimage. The task for this study project was to take an audiofile and visualize it. I always liked the visual appearance of sonograms so I tried to reproduce the visual style without using a computer. I therefore connected a lightbulb to a modified guitar amplifier. I guided the audio into the guitaramp and the guitaramp controlled the brightness of the lightbulb. Then I was taking a long exposure picture from a fixed position and moved a box in which the light bulb was parallel to the camera. In the box were little holes that let the light of the lightbulb shine through. Finally I inverted the picture.

klangbild 2

Which Will

A quick test of the amp-lightbulb technique. I gradually moved the camera with a fixed focus closer to the light bulb. Accompanied by Nick Drakes Which Will.