Simple Spirograph Set
by kh4rj0
Printable files (14)
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stlring_96.stl
594 Ko · 1 346 downloads
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stlgear_84.stl
550 Ko · 1 264 downloads
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stlgear_74.stl
486 Ko · 1 243 downloads
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stlgear_57.stl
483 Ko · 1 244 downloads
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stlgear_42.stl
443 Ko · 1 225 downloads
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stlgear_33.stl
334 Ko · 1 216 downloads
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stlgear_25.stl
279 Ko · 1 243 downloads
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stepring_96.step
13.7 Mo · 1 764 downloads
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step
gear_84.step
5 Mo · 1 615 downloads
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step
gear_74.step
4.5 Mo · 1 594 downloads
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step
gear_57.step
3.7 Mo · 1 572 downloads
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step
gear_42.step
3 Mo · 1 553 downloads
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step
gear_33.step
2.4 Mo · 1 545 downloads
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step
gear_25.step
1.8 Mo · 1 572 downloads
Description
This is a simple and easy to print Spirograph set.
The set includes a Ring (96) and several Gears (84, 74, 57, 42, 33, 25) with holes in them at 5mm diameter intervals. (The numbers in brackets and on the gears refer to how many teeth the gears have)
The gears were made in Fusion360 with the built in gear generator with the following settings: Metric, Pressure angle 20°, Module 1mm, Backlash 0.4mm, no Root Fillet Radius, thickness 2mm
The little holes are ⌀2mm and the material thickness around them is 1mm, these parameters work well for snugly fitting a ballpoint pen in the holes.
The gear ratios were chosen with the help of this site: https://seedcode.com/SpirographN/sgn.html
Feel free to print and sell this if you want to, no credit needed as anyone with a CAD program could make this.
Also on prusaprinters: https://www.prusaprinters.org/prints/148657-simple-spirograph-set
Have fun printing :)