Pi Cookie cutter - and cookie cutter script
by mrbenbritton, published
Also, an OpenSCAD script to generate a cookie cutter from an SVG file.
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Yay for Pi Day! Glad it worked.
I find that PLA softens at too low a temperature to be great for cooking implements. If you have any ABS laying around it is much more heat tolerant and can even handle the dishwasher. The first PLA cookie cutters I tried in the dish washer came out like a Dali clock.
My cookies came out GREAT for my Pi Day Party!! Thanks for the cookie cutter! A bunch of my guests were astonished by how thin and strong the cookie cutter was! Almost melted it when i went to wash the dough off the cookie cutter, next time I will soak in much cooler water for longer. Instead of hot in less time. :)
When you say gaps I assume you mean that the cutter blade is two verticals with a gap between that cookie dough gets stuck in.
This has always been a problem for me on my Thing-o-matic. It is a hardware adjustment problem and I still haven't been able to fix it (something to do with an overconstrained X axis). It is related to the inability to print a circle. This thread may be relevant to you: http://support.makerbot.com/en...
You could also try adjusting the thickness of the blade to one line width. The cutter will be very flimsy.
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Next head to thehungryhousewife.com/2009/10/sugar-cookie-and-icing-tips.html or similar for a recipe. An hour later you'll have nice fresh pi cookies.
If you want to create your own cookie cutter replace the pi.SVG file with your own image.
Open that image in inkscape (or your favourite SVG editor)
Massage it into a workable DXF (look at repraprip.blogspot.co.nz/2011/05/inkscape-to-openscad-dxf-tutorial.html for instructions)
Then load CookieCutter.SCAD with OpenSCAD
Let it render. This will take a while (up to half an hour)
Export the STL
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