A seven segment display that uses servos to move segments in and out to create a digit. This is part of a work-in-process digital clock project.

Bought SG90 servos on ebay for under $3 each.
The push rods are 1/4"diameter 3/4"L MxF 6-32 standoffs.
6-32 screws for mounting brackets and 2-56 screws for mounting servos not shown.
Segment A - 3 required - Horizontal segments
Segment B - 4 required - Vertical segments