This video shows the process of rotational molding in my atelier at HfG Offenbach. The pendant light »CLAUDE« was originally a test – shape that I designed to experiment with my DIY- rotational molding machine. After some months of experimentation with different shapes and additives such as wood or textiles, I decided to use one test shape to improve the process. I am using a polymer plaster as basic material. I tested all kinds of mixtures of polymer plaster with my test shape and I also did some color experiments. I started to write down everything I did, like laboratory workers do.

The outcome of my color and material experimentation is a simple lampshade: The molding process compromises three steps with different layers and different colors. The seam of the molding process is still visible in the product, so are the irregularities of casting process. The lampshade comes in different colors: green or white. The textile cord has the same color as the shade. The lampshade has a smooth surface on the outside, while the inside shows irregularities that refer to the DIY- rotational molding process. The outside is sanded and covered with a protective layer of vaseline. Because of the irregular material thickness, the lamp needs a special fixture that enables the user to adjust the lampshade (it was not hanging straight). The fixture was made from sandblasted plexiglass. The special fixture also determines the form of the lampshade: a bigger hole is necessary at the top of the shade in order to adjust the lampshade, the light passes through. The fixture works as a diffusor.

This design is related to my PhD project about improvisation in the design process at HfG Offenbach
The video was filmed by Tania Ost.
CLAUDE is edited by french furniture company HARTÔ:

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