Popular stencils
RoboMind graphics
some graphics from robomind (http://www.robomind.net/en/), which is software specifically developed to support technology education. you can now build robomind maps directly in OmniGraffle.
Si* Notation
This is a stencil for the security extension of the i* requirements in engineering notation.
Electric Imp
Shape and pinout of the Electric Imp internet-of-things device.
Infocus Projectors
A range of iFocus Projectors
Cassette Tape
Classic compact cassette tape stencil to scale.
Human Chromosomes
A vector library of human chromosomes, copied from the public domain on Wikimedia Commons.
Samsung TouchWiz UI
Samsung TouchWiz UI stencil from the Google Android 2.1 / 2.2 Wireframes bundle.
Spain Provinces
Map of provinces in Spain
Endian UTM Hardware Appliance
A complete range of specifically designed appliances integrating our UTM software for the security needs of everyone, from branch offices and industrial facilities to large networks.