1. Enacted on a computing system, a method to help a user visualize how a wearable article will look on the user's body, the method comprising: receiving an image of the user's body from an image-capture component; based on the image, constructing a posable, three-dimensional, virtual avatar to substantially resemble the user; obtaining data that identifies the wearable article as being selected for the user, the data including a plurality of metrics that at least partly define the wearable article; attaching a virtualized form of the wearable article to the avatar; and providing the avatar, with the virtualized form of the wearable article attached, to a display component for the user to review.