- Measure and draw a rectangle on some cardboard sized 1 cm x 8 cm. Draw a line at every 2 cm point along the rectangle.
- Measure and draw a circle with a 4 cm diameter using the same string and thumb tack technique from earlier.
- Cut out the parts.
- On the rectangular piece, score along 2 cm lines.
- Bend and fold into square and glue onto one circle piece.
- Glue the other circle on top.
- Cut a string roughly 45 cm long and glue one end to spool.
- Wrap the string around the spool.
- Glue servo wing on the side of the spool making sure the spool is oriented such that the string is coming up and out to the right.
- Attach servo onto wing and spool.
- Orient the spool and servo contraption on the 8 cm circle base such that the spool is centered. Double check that the string is facing towards the circle base top where it will be pulled through shortly.
- Glue down spool and servo contraption on circle base.
- On the front of the circle base, use a hobby knife to cut a hole in the top center.
- Pull spool string through hole.
Page last edited March 08, 2024
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