1. A method for obtaining from photographic data a fitting measurement of a person to be fitted for a garment, comprising: providing a portable electronic device that includes a plurality of cameras set at a fixed distance therebetween, each camera including an image sensor and a camera lens, the plurality of cameras configured to capture images of the person from at least two different aspects; using each of the plurality of cameras to capture a plurality of images of a particular body part of the person from a plurality of different aspects, each image including photographic data of the particular body part and at least a portion of the images including a feature of known dimension having a known dimension, wherein during the act of capturing, the position of the portable electronic device relative to the particular body part of the person changes to cause the plurality of images of the particular body part to be captured from the plurality of different aspects for each of the plurality of cameras; using the plurality of images to generate a computer model that includes at least a portion of the particular body part and the feature of known dimension; obtaining the known dimension and using the known dimension to scale the portion of the particular body part in the computer model; and using the scaled portion of the particular body part to generate a fitting measurement for a garment.