Note: At the 2009 IABPA meeting in Portland, OR, USA, the IABPA membership voted to adopt the SWGSTAIN recommended terminology.
Definition
- Cast-off Pattern
- A bloodstain pattern created when blood is released or thrown from a blood-bearing object in motion.

Bloodstain Example - Cast-off Pattern
© 2008 FORident Software Inc.
Description
This example was generated by putting blood on a knife blade and swinging the blade in a downward motion in front of the target.
The volume of the drops and impact angles changed as the knife continued through its downward motion.
Alternate Terminology
Bevel & Gardner | Spatter Family - Linear - Cast-off |
James, Kish & Sutton | Spatter - Projection Mechanism - Cast-off |
Wonder | Spatter Groups - Cast-offs - Swing |
SWGSTAIN | Cast-off Pattern - A bloodstain pattern resulting from blood drops released from an object due to its motion. |