3 ms·
why?
by tastythrowaway2 10y ago
why?
- prawn 10y agoBecause people used Spirograph to make similar patterns. And the cog wheels of her device are reminiscent of the cogs used to make Spirograph patterns also.
- jamesbowman 10y agoSpirograph is an excellent way to introduce kids to the idea of relatively prime pairs. Because the most awesome Spirograph patterns come from the relatively prime pairs of gears.