Artifact selection by obtaining textual reports indicating potential defects in a program product. In one example embodiment, a variable material stretch-forming apparatus comprises a stretch-forming assembly configured to stretch-form at least one section of a sheet of pre-preg material to a longer length than at least one other section of the sheet of pre-preg material before the sheet of pre-preg material is applied to a tool. The dispensed material is provided with an environment that enables the material to solidify to form layers of the object.