Keyed Heart Gears Keychain

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Published on June 30, 2012

Description

Tired of getting your finger caught in the workings of CrazyJaw's excellent Micro Gear Heart Keychain? I know I was. It's a great thing keep around to show people how cool 3D printed stuff is but it's a bit hard to use. That's why I modified the design and added a key and a place to hold it while you turn. The effect is... effective.

**UPDATE** Added plates and half plates for the shorter pins. Apparently I was using the longer pins. They worked for me, but were admittedly a bit loose.

**UPDATE 2** The new "8" piece (the one at the bottom) did not have enough taken off the bottom so the key would "pop" as it went pass making the turning stiff. If you have already printed one a few cuts with a blade will fix it. If you haven't use the V1.2 files.

Key added and keyless plate for people who want to print the key at 100% infill.

Instructions

Print a set of pins at 100% infill. (If you have dual extruders you can use the half set and use /thing:24195 to double your output.)

Print the parts with a lower infill if you'd like. You can print the whole set at once using the full plate or just print the new bits to modify your existing Micro Heart Gears Keychain.
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is anyone having problems with pins not going in even using a hammer? They just look way too big for the holes :S

Gather around kids, it's time for the filament diameter song: http://www.youtube.com/watch?v...

Hi Cymon,

Nice work with the key and handle, great ideas. I've had an accident with mine and unfortunately the key is now in two bits instead of one. I realise my mistake now, as I only printed the plate at 20% infill to save plastic. Whilst the gears are fine at 20%, the key wasn't and I need to print a
nother. It'd be awesome if I could either grab a source file, or if you could pop up a plate with just the key so it can be printed separately at a higher infill by plastic misers like myself (づ。◕‿‿◕。)づ

Keep it awesome!

I do it 20% infill and it works fine, but yeah, I can break that off for you, no problem.

I use Blender which imports STLs just fine and exports them just fine and doesn't do a real good job of saving history so basically the STLs are the source. But I'll get your key up quickly.

http://www.thingiverse.com/thi... Here's google sketchup file of the key by itself. I managed to import an stl into sketchup, but not the other way round. Any ideas about how to export stl's?

This is next on my list to print. Looks like a really cool mod!