https://makezine.com/article/craft/music/iain-sharps-treasure-chest-synth/
Iain Sharp's Treasure Chest Synth - Make:
May 6, 2013 - Iain Sharp of Lushprojects built this sweet treasure chest synth by adding the boards of his LushOne Synth and LushOne Contour kits to a "treasure chest"
iain sharptreasure chestsynthmake