I found an extension that finds the centroid of a path (https://github.com/thedatachef/inkscape-centroid), but when I put the files centroid.inx and centroid.py in my ~/.config/inkscape/extensions folder, the extension does not show up in my Extensions -> Generate from path menu.

What extra steps to I need to do to use this extentsion?

Thanks,

Hello,
I'm in Ubuntu using inkscape 0.91.
But I think you should look in your system for the file:
"extension-errors.log"
There it will give information about extensions issues in general:

In your particular case I get this info:


Well, in my particular case, my system is in spanish.

I'll try to be short, I modified the "centroid.inx" file. I'm going to attach it, hope it will solve it.

Also try to communicate with the developer to fix that issue