SECOND PROTOTYPE
Within our initial sketch designs we explored the idea of using
circles rather than rectangles for the leg supports, so we wanted to examine this through our second prototype. While changing the core design it also allowed us to explore various changes to elements.
The base of the design was simply three circles, the centre where the user sits and the sides acting as the leg supports. During our development we explored a variety of supports for the base (seen on the left) but after testing we discovered the crosshatched shape stability failed.
circles rather than rectangles for the leg supports, so we wanted to examine this through our second prototype. While changing the core design it also allowed us to explore various changes to elements.
The base of the design was simply three circles, the centre where the user sits and the sides acting as the leg supports. During our development we explored a variety of supports for the base (seen on the left) but after testing we discovered the crosshatched shape stability failed.
We found the simple ‘waffle’ crosshatch holds the structure
together without compromising the core function of the chair. This method also allowed us to measure it to the base so we did not waste any cardboard unnecessarily.
Each leg support sat within a semi-circular frame that locked it
in place. Although initially effective, upon testing the structure began to give way. The second prototype was designed to give the impression that it was one piece, however the leg supports suffered because of this. One reason was because the height of the supports were too shallow, also we did not take into account the distance from the knees to the lower back.
together without compromising the core function of the chair. This method also allowed us to measure it to the base so we did not waste any cardboard unnecessarily.
Each leg support sat within a semi-circular frame that locked it
in place. Although initially effective, upon testing the structure began to give way. The second prototype was designed to give the impression that it was one piece, however the leg supports suffered because of this. One reason was because the height of the supports were too shallow, also we did not take into account the distance from the knees to the lower back.
Josh testing Thinking Chair Mk II
The complete Mark II Prototype
Testing the Mk II
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