Photoshop CC Long shadow
http://abduzeedo.com/dramatic-shadows-photoshop-cc
클리핑 마스크를 이용한 포트레이트 아트워크
http://petapixel.com/2014/11/17/using-clipping-masks-drop-shadows-turn-portrait-sculpturesque-image/
Adobe Photoshop
Nest: Graphics Category: Tools 2013-10-24