Sunday, 22 July 2018

Lighter screwdriver bit holder

A sign of a brilliant project is one that is "obvious with hindsight" - when you see it, it suddenly seems so simple that you end up annoyed at yourself for not having thought of it yourself.

For me, Laura Kampf's Zippo Lighter driver bit case was one of those projects.




I've had a similar lighter kicking about in the junk drawer for years, always holding onto it because I liked the aesthetic of it and wanted to use it in a project, but never knowing what that project was.

So I'll admit, this was a shameless copy of Laura's project, but as I don't have access to a milling machine, I had to take a different approach. The insert that I have created is 3D printed, and relies on a friction fit to hold the parts rather than magnets.

Rather than use the free plan, I decided to create my own, adding an additional hollow in the middle of the insert. The idea was that this less-accessible compartment could contain less frequently used driver bits, but still keep them together with the others.

In reality, the fit of the insert is a bit too tight to allow the compartment to be easily accessed, but it does still serve a purpose in reducing the amount of filament required to print the model (compared to leaving that part solid).

I also found that my lighter has a small metal tab in the lid that got in the way once the driver bits were in place, but this was easily removed with pliers. (I'm not sure is this is a typical thing of these lighters, or just because the one I'm using is an off-brand knockoff.)

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I have to concede that the insert would've looked better in metal, but from a functionality perspective it works just as well, and sometimes you just have to work with what you've got.

The STLs for the model can be found on Thingiverse, and the OpenSCAD code is on GitHub.

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