Rolling spool: String on spool is pulled at various angles.

1K10.30 • A+55+5

diagram for demo

The Rolling Spool. Case 1: Spool with string wrapped around inner cylinder. String pulled at different angles. As string is pulled up, the spool rolls to the left. Case 2: At a certain angle, as the string is pulled, the spool rolls in place. Case 3: As the string is pulled to the right, the spool rolls to the right. Inner diameter = 94mm Outer diameter = 203mm

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