A scanner has a plurality of cameras positioned around an object to be scanned. The object is illuminated by unstructured light and the object is covered by a textured surface. The cameras can be arranged as pairs and each camera pair is supported on a single support. The scanned object can be a foot, among other things, and the scanner is positioned at a predetermined incline so that the foot is evenly supported. Method for attaching the camera pairs on the support, method for calibrating the camera pairs and method of scanning the foot to provide shoe sizes and shoe lasts are also disclosed.