Piano design found here: https://www.pinterest.ca/pin/161074124165607923/
Then drew multi layer in GIMP: https://cs-pattern.com/viewtopic.php?f=7&t=409&p=1038#p1038
Then converted mutiple .pngs to beadscript model using: https://cs-pattern.com/viewtopic.php?f=7&t=409