UNI-T multimeter (UT61 series): https://aliexpress.ru/item/1000007251101.html
2 parts of multimeter holder should be printed separately. Glue them together, although it is not necessary (in my situation, they stick to each other pretty good without any glue).
Mount to the wall: glue or screws.
Category: DIYThe author marked this model as their own original creation. Imported from Thingiverse.