Note how to place
the template on the
base to mark holes.
The bare spindle
with the cutouts.
Use a template to cut
out the battery tray.
Finished battery tray.
48 SERVO 04.2012
These are from HP inkjets and are
used for the robot wheels.
Lots of wheels from
recycled printers.
These horn drill gauges help
to drill holes in wheels.