The reference sole or last is scanned, then rebuilt as an editable 3D model.
Scanning digitises the sample surface. Reference planes align this capture with the technical drawing.
Toe, waist and heel sections are examined separately. Wear marks in the point cloud are distinguished from design features before checking left-right correspondence.
In stereolithography, light selectively cures a photosensitive resin.
Build orientation influences the direction of layer marks and support placement determines contact marks. Visible tread and fine edges guide support positioning.
Flexible silicone captures relief in negative. Plaster forms a more rigid copy from that impression.
Air trapped at the bottom of a deep groove can interrupt surface reproduction. The release direction is planned to protect delicate relief during removal.
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