Back To School Challenge

Three items as per the back to school challenge guidelines:

1.
A pencil holder which snaps pencils into place and snaps to other holders. The system is expandable and rolls up for tight travel and rolls out into a bridge structure to display your full range of tools.

2.
A simple ruler with 1/4" incremental "tick" marks, incremental radius cutouts ranging from .250 to .500 and a small
0.05" hole for inserting a pencil to rotate the ruler about and make steady circles.

3.