Sand Spirograph (improved handle)
cults3d
This model features an enhanced handle on the guide for the sand spirograph, which simplifies spinning the tracing gear with increased traction generated by water and sand between the sliding surfaces. The sand spirograph can be used to draw roulette curves onto flat and sandy surfaces. It accomplishes this task by tracing a pin through the sand. A guide wheel is employed to support the tracing gear so that it remains level and suspended above the sand while still allowing the gear to rotate freely. Future enhancements on my to-do list include: Create various tracing gear sizes for drawing different curves.
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