Hack a Day Badge

by Devlin, published

Hack a Day Badge by Devlin Jan 12, 2010

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This is the badge the Hack a Day team wore around CES and gave away to a few people. You can see the posts here:
and here:

Here is the how-to post on how the badge was created in OpenSCAD:

Now everyone can show that they read hackaday.com with this custom-designed badge.
It takes a little over an hour to print and the wrenches are pretty much guaranteed to pull up and/or warp the build surface.


1: Download the stl file.
2: Skeinforge said stl file.
3: The stl is not centered in the y direction so you will need to setup the build platform about 1cm towards the back from the center of the build platform if you have a Cupcake CNC.
4: This build has a huge initial surface area and will attempt to foil its own creation by pulling up. You will need to recite incantations, sacrifice dust bunnies in a fiery cauldron of acetone, whatever it takes, just don't get mad at your machine when your print starts to pull up.
5: Remove from the build platform and raft.
6: Attach a bar pin to the back with hot glue or epoxy.
7: Allow glue to cool/cure/dry.
8: Proudly wear upon your getup to show you read Hack a Day!

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The wrenches only pully up if the heatbed is too low, at least when using ABS. Anything under 88c curls up for me, anything over 95c seems to stick and need a jack hammer to be removed ;D

This skull prints nicely with no lifting around 88c. I have printed a few now different colors. Hackaday rocks!

It  seems you could avoid problems by making it in two, snap together pieces.

Pretty cool and definitely a conversation starter - I'll put mine on my bag. The warping of the cross-wrenches stems from printing only the skull in the middle after the wrenches cool down, right?

i guess the material should be so much that middle temp. is in the middle of material at a minimum to make it stick to surface. im not shure if its clever or not to cool it down slowly during the rest of the print.