Pendulum Bob Holder
thingiverse
Keep those pendulum strings neatly untangled until they're needed by your students next. Designed to accommodate 1-inch diameter pendulum bobs, this device measures a diameter of 2.54 centimeters. It can be easily scaled up or down for use with various-sized pendulums. This item was created using Tinkercad and can be edited online at https://www.tinkercad.com/things/6TpCL6jVGNL
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