Chari-A-Thon is a fundraiser competion for a very worthy Assitive Technolgy Design Organization - Adaptive Design Association, located in New York City. I enjoy designing these chairs for their annual fundraiser auction, and gallery.
For more info - go to ADA Adaptive Design Association
https://www.adaptivedesign.org/#!mission/c1208
or for my page at this year's ADA Fundraiser -go to
https://www.crowdrise.com/chairathon/fundraiser/tedwelch
2013 Design - Large Chair
2014 Design - Mini Chair
(Image will arrive shortly)