Whiteboard networking object

Printed in 2 colors (just stop at the layer where the symbols start and change filament if you have a 1 extruder printer).
Buy some magnets that  glueto the back or are self adhesive.
And presto!  handy networking magnets for making diagrams on a whiteboard. no more drawing of the same networking object over and over again.
Only need for a marker is for the lines.