Taking a high quality vacuum mold from an existing part can damage or destroy it.
In the case of flight surfaces or feathers - canard, vertical upright, and wing - it requires a 3 step process:
Taking a delicate impression (called a splash)
Taking a vacuum bagged master from the splash
Taking a vacuum bagged mold (called a tool) from the master
Fred Leland parts
Miss Spokane Team - Ken, Chris (left)
NIC students - Sonya, Julie, and Sherre