Penny Trap with TInkercad or OpenSCAD

by mathgrrl, published

Penny Trap with TInkercad or OpenSCAD by mathgrrl Jul 24, 2014



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A good first print for a classroom setting, sized to hold a US penny. This model illustrates something that is possible with 3D-printing but impossible with standard subtractive manufacturing methods. For other sizes check out the customizable model: http://www.thingiverse.com/thing:193941

Penny traps as a good "first 3D print" for the classroom: MakerHome, Day 307

Designing a penny trap with Tinkercad: MakerHome, Day 313

Designing a penny trap with OpenSCAD: MakerHome, Day 314


Twitter: twitter.com/mathgrrl
Hacktastic blog: www.mathgrrl.com/hacktastic
Shapeways geekhaus store: www.shapeways.com/shops/mathgrrl

This design and all associated pictures and files are licensed under the Creative Commons Attribution Non-Commercial Share Alike license. If you want to use designs, images, or files outside of the terms of this license, please email [email protected].

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okay, thanks i guessed that. Great design by the way. I tricked so many people and they thought the coin was fake or the trap was rubber or something. Thanks for the help.

do you need to put the penny in the trap while the thing is building? if not how do i get the penny in?

Yes, while it is building you put the penny in. Pause the print about 60% to 70% of the way through and make sure that the penny is well below the top surface so that it will not catch on the nozzle. On some printers you can sneak the penny in without pausing, but don't do that unless you are sure you and the penny won't bump the nozzle.