There's an App for That: Trace

Get your sketch on with Trace, a simple and beautiful yet incredibly useful iPad app created by the architects of the Morpholio Project. Free to download, the sketch utility allows users to instantly draw on top of imported images or background templates, layering comments or ideas to generate immediate, intelligent sketches that are easy to circulate. “Tracing over something is absolutely the foundation of the app,” says co-creator Toru Hasegawa. “Layers of trace paper are not the same as ‘layers’ in Photoshop or other tools.