This is an old revision of the document!
The Daxophone is a friction idiophone invented by Hans Reichel
Here is an image of the daxophone I have built as part of my instrument collection.
Here is a link to a PDF from the now defunct Daxphone website explaining how to construct the isntrument
http://www.wesleyhicks.art/wp-content/uploads/2018/10/DaxInfo.pdf
Here is a link chronicling the construction of a daxophone with Hans reichel
http://dfiction.com/blog/2014/08/building-a-daxophone-with-hans-reichel-2007/