Homebuilders use a cutter like this one to shape the foam. Electric current heats the wire to melt the foam as the homebuilder and a helper pull the frame. Metal or wood templates are attached to the ends of the foam block to guide the wire.

ID#:

NASM-A19890564002

Source:

Smithsonian's National Air and Space Museum

Copyright/Owner:

Smithsonian Institution

Rights Usage:

Usage conditions apply

Terms of Use:

Smithsonian Terms of Use

For print or commercial use please see permissions information.