The collection "State of the World" is composed of population pyramids and was created by Mathieu Lehanneur for the 2021 exhibition art basel - design miami. Proceedings of the 7th International Conference on Tangible, Embedded and Embodied Interaction, 275–278.
In touch with space: Embodying live data for tangible interaction. Data and Dasein - A Phenomenology of Human-Data Relations. created in collaboration with Blackrock Castle Observatory, Cork, Ireland and the Irish National Space Centre.” (Hogan & Hornecker, 2013) The motivation for creating these artefacts was to offer casual users the opportunity to interact with data that would normally only be explored by experts, with the aim of stimulating curiosity, intrigue and awareness. ” crossmodal data-driven artefacts that represent live data streams using haptic-auditory feedback. The rod enables people to perceive data only during interaction (as data is not encoded in the shape of the artifact, but rather experienced through it). The XQuery has been modified to reverse the order.The Solar Radiation Dowsing Rod is a device created for a space observatory that allows visitors to point it towards the sky and feel, through light, vibration and sound, the level of radiation coming from that direction. Postscript: The order of points in the faces in the coordinates is anti-clockwise (Right-handed) but for the solid to work with the CSG operations in OpenSCAD, the order needs to be clockwise. However this object doest render correctlly. Here is a Great Stellated Dodecahedron showing both the faces and the wire frame: It is simpler to use from this index page which links to all the polyhedra created by David. Looking at the main page, the page for this solid is You use it by setting the id parameter to the id of the solid in the html page i.e. It would be nice to be able to generate OpenSCAD for any solid in this collection so I wrote a web script (in XQuery) to do that.
It takes a while to render - well over an hour - on my laptop. It needs a bit of editing to get into OpenSCAD format (here on GitHub) but it reviews very quickly, allowing adjustment of scale and radius of wire. Each polyhedron is described in some detail, visualised in a Java applet, but best of all there is a text page giving coordinates and faces. Laura uses Mathematica which I dont have but searching for the Pentagonal Hexecontahedron I found this wonderful site by David I. My customizer allows either or both to be created. In the latest version of OpenSCAD the polyhedron operator takes a faces parameter instead of a triangles parameter, so we just need points and faces to construct the plane faces as well.
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I started with point/face data for the regular polyhedra which I found in William Adam’s work and added OpenSCAD code to create cylinders along each side of each face. I wondered if I could do wire-frame models in OpenSCAD. Laura Taalman is on a roll with her complex polyhedra, producing some wonderful structures.
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