We used a two component rubber resin of polyurethane type for this prototype. The wedge shaped rubber will provide exponential resistance as the prosthetic foot bends forward. The rubber also packs around the metal hinge pin to reduce shear stress. Continue Reading →
To get some feedback on the potential of the rubber wedge foot, we CNC milled a sketch at HONFablab Indonesia. We used massive wood of the Keruing type and a flip part setup to create the parts. Continue Reading →
This is an illustration of the a design principle for the 50dollar prosthetic leg program. The basic principle is to use a a rubber wedge that will create exponential resistance as the foot fends. The amount of resistance can be varied by casting different stiffness of rubber or by creating open “pockets” within the cast rubber. The design is largely based upon design input from Haakon Karlsen at MIT FabLab Lyngen. Continue Reading →
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We had a very very successful first test flight with our hexacopter. Extremely cool feeling to CNC mill your own propellers and then see them take off into the sky. Press the “Download this design button” to get our drawings for laser cutting and cnc milling. We would love all kinds of help on developing the flight electronics with the FabLab PCB milling process. A more detailed tutorial on building your own is coming soon.
We have started work on a six rotor multicopter here at FabLab Lyngen. I am planning to use the hexacopter to make aerial shots of FabLabs around the world. Knut Klo is will be creating 360 degree panoramas from the air. Our collaboration got kicked off by Knut buying the Dji Flamewheel kit and showing his first panorama shots to Haakon. Haakon quickly realized that we could make a better frame and propellers in the Lab, and now the three of us are collaborating on a FabLab hexacopter. Continue Reading →
The Ass Stool is in the process of being parametrized. The design system allows me to scan the length of your lower leg and the width of your ass with the Kinect. These two parameters feeds into the Ass Stool definition, resulting in a tailor made Ass Stool for your body.
Sjoerd de Jager is a new account manager at the Waag Society. After a visit to the HONFablab in Indonesia he came back very enthusiastic about the first Ass Stool I made there. So Sjoerd volunteered to be the first Ass Scan test subject. Check the images in the post to see the making of the very first tailor made Ass Stool by live 3D scanning. Continue Reading →
The latest CNC milling experiment is constructing by plastic bands instead of glue or screws. The layers are kept together by tight plastic bands and clips, the type you normally use for sealing cardboard boxes and pallets. The challenge was to keep the layers aligned without dowels or pins. I updated the parametric system to make wider and narrower gaps according to the surface curvature at each layer. The closer to the edge, the wider the hole needs to be for the band to fit through. Continue Reading →
I showed the ongoing Layer Chair project here in Sevilla and it turned into a very interesting open design collaboration. Three groups of students at FabLab Sevilla downloaded and customized their own versions of the Layer Chair. One group was inspired by the classic Eames lounge chair, one group made the perfect chair for architecture students and the final group experimented with weaving a seat from thin rope.
The chairs are currently exposed and for sale at gallery Lugadero in Sevilla. For the opening night I created an interactive chair design system where visitors could design a chair with their own body. With the Kinect component for Firefly I could read out the position of the visitors head and hips. The height of you head determined the height of your chair, and the angle of your back determined the backrest. Tracking two people at the time making their own designs was very entertaining.
It was an interesting experience to exhibit a design system and an open process instead of showing a finished product. More open collaboration communication coming soon. Continue Reading →
At MIT FabLab Lyngen, Haakon has a very interesting table and chair project going on. He is going to replace the main dining table with a large fjord-like table made from massive wood. And the chairs will be replaced with 16 tall ones, with profiles matching the 16 highest mountain peaks of the Lyngen Alps. After telling Haakon about my parametric chair project, there was no doubt that we had to combine our ideas. Continue Reading →
Now that Alex had some fancy new black chairs in his lab, he realized that he wanted a table to go with the chairs. So, I designed a parametric table that matches the shape language of the Layer Chair. The design lets you specify the measurement of any plate you would like to use as a table top. The output of the Grasshopper definition is a table frame that fits your plate of leftover material.