Trace is a low-cost drawing tool for iPad and iPhone that allows you to easily develop ideas in layers, communicate via drawing markup, and work fluidly through all phases of the design process. Ideal for architects, interior designers, landscape architects, industrial designers, urban planners, lighting designers, engineers, or members of any creative culture, Trace lets you create intelligent sketches & drawings to meet all of your design needs. Draw on top of images, PDFs, maps, photos, drawing sets, 3D models, background templates, and more to scale using exceptional designer tools, brushes and pens. Bring new life to your design process and transform your workflow with the ease, flexibility and the magic of digital hand sketching.