This is a replacement ebrake button for my 2012 civic si. The factory original breaks very easily and costs $150 as you can only buy the entire assembly to get it.

Print in PETG and not PLA or you will likely melt it in the summer. I chose 100% infill for strength but that probably isnt required.

Note: The button comes out fairly easily, as the original had a small tab on the right side of the hole. I haven't experimented with recreating that yet.

Edit: Found this one after creating mine. It is a more 1:1 recreation of the original. https://www.thingiverse.com/thing:806806 I think it may have some of the same fragility but the inclusion of the tab/hole will likely keep it secured better.