To be honest VegasGeoerge it's virtually impossible to be totally original. SO many instruments have been made over the course (cough!) of 500 years that pretty much every conceivable shape has already been done.
I really like No. 3 of the second set. Very reminiscent of an English Guittar (correct spelling) that I was thinking of making. . . then for some reason I lost interest. I assume yours is tuned in Guitar/Ukulele 4 th's (and the 3 rd).
Nice to see someone making shapes other than the usual Guitar/Ukulele type.