When you have a hammer, all of your problems look like nails. When your problem is a nail, you're kind of screwed if you don't have a hammer.

Unless you have five cents and a 3D printer! This simple model lets you quickly print a five-cent "hammer" that is small enough to fit in your pocket. Pause the printer to insert your coins when appropriate. The demo models are for holding five US pennies; if you want to use some other kind of currency, then make your own cheap hammer by clicking the "Open in Customizer" button.

WARNING #1: When you add the coins, make absolutely sure that the top coin does not extend above the current printed material; if your printer catches on the coin then either your model or your printer could be damaged.

WARNING #2: Although this "hammer" is safer than using a drinking glass, you could actually hurt your fingers if they slipped off the tool and onto the nail you are driving into the wall. Please use caution and always use a Real Hammer if you have serious work to do.

CHALLENGE: Anyone want to make a remix of this that has a handle (but is still Customizable)?

This is my entry for Week 2 of the atartanian vs. mathgrrl design battle! atartanian's Week 2 offering is an absolutely incredible Customizable Diorama. So maybe people can use my cheap-ass hammer to hang up one of atartanian's beautiful dioramas... :)

Read more about this design at Hacktastic.

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#####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