Joanie LeMercier has been working on a project using invisible ink and different lighting schemes with the AxiDraw. He has posted a bunch of clips and pictures in his twitter stream with the heading “Invisible drawing.”
— ᴊᴏᴀɴɪᴇ ʟᴇᴍᴇʀᴄɪᴇʀ (@JoanieLemercier) September 14, 2018
Head over to the thread where you can see more progress shots as well as completed drawings.
