Illustrated Glossary of Organic Chemistry

Sawhorse projection: A representation of molecular structure, from an oblique angle. Somewhat similar to Newman and zig-zag (Natta) projections. The sawhorse projection is named after its similar appearance to a carpenter's sawhorse.

Sawhorse projection
Zig-zag (Natta) projection
Newman projection
A carpenter's sawhorse.
Representations of the anti-staggered conformation of butane.