Direct Logic 205 PLC. This is the base for the DL205 modules. Nine Bays. 4 of 12 stencils.
Shapes for the pigpen cipher.
Various Furman power management units (http://www.furmansound.com)
Stencils for drawing Self-aligned Double Patterning.
Icons for backup.
Here are the communication and specialty module symbols for the DL 05/06 chassis.
This is a stencil for the security extension of the i* requirements in engineering notation.
Black widescreen (19:6) TV
A collection of Finished Garment quilt blocks in the public domain that you can use to design quilts using Omnigraffle. Do you have suggestions for other well-known blocks? Let me know and I'll be happy to add them.