3D Impression
Definition
An impression made in a deformable medium: soil, sand, snow, mud, soft asphalt. The sole or tread pushes into the medium and leaves a depth-bearing copy.
Related terms
- 2D Impression
- A residue-transfer impression on a hard surface: dust, blood, water or paint left when the shoe or tyre touched the floor without...
- Class Characteristic
- A feature shared by an entire group of objects (every shoe of one model has the same sole tread; every tire of...
- Individual Characteristic
- A characteristic unique to a specific typewriter unit arising from manufacturing variation or service wear; used to identify or eliminate a specific...
- Latent Impression
- An impression that is invisible or barely visible until developed or lifted. Dust impressions on dark floors and oblique-light-only impressions sit here.
- Patent Impression
- An impression that is visible to the naked eye without enhancement. A bloody shoeprint on white tile is patent.
Explained in
- Footwear, Tyre and Footprint Impression EvidenceAn impression made in a deformable medium: soil, sand, snow, mud, soft asphalt. The sole or tread pushes into the medium and leaves a depth-bearing copy.