German instrument maker

Please forgive the cross-posting. I've searched the archives for both lists
and can't find the message I'm looking for. Someone posted a brief message
saying something like "check this site out" with a link to the website of a
German instrument maker who makes a variety of beautiful stringed
instruments, including a "monochords" that looks like a Celtic koto. Does
anyone know what the URL is? Many thanks,

Stan