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.
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.
Spain Provinces
Map of provinces in Spain