How to draw a ladder in a hole. 3D drawing Trick art optical illusion for kids and adults of all ages. Follow along and have some fun! Materials used: 110lb cardstock, HB pencil, fine line pen, black Sharpie marking pen, grey Bic marking pen, ruler WEBSITE: http://www.jonathanstephenharris.com FACEBOOK: https://www.facebook.com/Jonathan.Stephen.Harris INSTAGRAM: http://instagram.com/jonathanstephenharris SOCIETY6: http://society6.com/JSHarts SAATCHIART: http://www.saatchiart.com/jsh PATREON: https://www.patreon.com/JSH