The Nintendo 3DS XL, for example, can fail at its hinge ... but if your Nintendo is broken you’ll care little for such niceties. The project can be downloaded from its Thingiverse page.
Each 3DS and 2DS model has its own quirks, and the New Nintendo 2DS XL can’t replace its battery at all. I’ll be using a New Nintendo 3DS XL for this, which has a replacement process identical ...