Battery Compartment with contacts

by obijuan, published

Battery Compartment with contacts by obijuan Dec 8, 2010

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This is a proof of concept. I have derived this object from the parameterized Battery compartment: http://www.thingiverse.com/thing:5051.

It is a Battery comparment for just 1 AAA battery. I have added two embedded nuts in contact with the positive and negative parts of the battery. From the outside, two metal screws are inserted. They will contact with the battery. Now, you have a wonderful electrical access to the battery!!

It works very well.

For the future, I am planning to add this feature to the original parameterized battery comparment.


  • Print the object
  • Insert the embedded nuts
  • Insert the AAA battery
  • Put two M3 screws
  • The battery compartment is ready to use! Enjoy!

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I guess all your other pages have been deleted? I understand.

Your scad script produces nut holes that are too small. The size you input was the wrench size and scad uses point to point across the hex shape. On the line that makes the cylinder use: "d=nut_diameter/cos(30)" to get the point to point Diameter. Yeah I changed it to diameter cause it looks funny to me. Picky.

did the 2 battery one get deleted?

Your idea is absolutely brilliant! :-) I think I'll have to release version 2 real soon, a commenter on my blog suggested to add support for cell-batteries

obijuan - in reply to guru

Thanks! Version 2 is coming. I have already written the parametric version. I have tested the idea with a 2-AAA-battery pack. It works like a charm ;-)

Now I am printing a 4-AAA battery pack.

I also think that supporting cell-batteries is a really good idea

Battery Compartment with contacts
by obijuan
Parameterized battery pack with contacts
by obijuan