Another 9v battery holder

**[EN] Description**

I needed a very simple 9v battery holder for my diy photo booth, and here it is.
The size of my battery was 26x17mm. Height doesn't matter in this design, but for your information this thing is 3cm tall. And the part where the screw go through is 5mm thin.
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**[FR] Description**

Un support pour pile 9v parmi tant d'autres. Les dimensions externes de mon exemplaire étaient L.26mm x l.17mm. La hauteur importe peu au vu de la conception, mais pour inf