Parameterized Battery Compartment
by guru, published
openscad file that generates them for me. Just enter the battery type (AA, AAA, C or D)
and the number of batteries you need. Export the stl file and add it to your project or print it as a standalone box. The only thing thats needed (besides batteries) are litte metall stripes for the contacts.
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Sorry!!! The new version is http://www.thingiverse.com/thi...
The new version is here: thingiverse.com/thing:5070 It is a parameterized battery pack with the electrical connections. Enjoy! ;-)
I was thinking that you could still shave off a few millimeter by thinning out the bottom layer until the side wall of the batteries poke through. So instead of having a solid slab, the bottom would consist of triangular ribs that fit in between the batteries. I've seen some commercial battery com
partments that use the same trick. Here's one example I found with a quick google search: http://www.google.com/products...
You could also build some springiness into the design at the flat end of each battery, by making a single layer of the side wall bulge in towards the battery. I think that should provide enough "give" to clamp the batteries in place securely, without having to use the traditional spiral spring at
the flat end (or without having to build a spiral spring into the plastic itself).
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