Some time ago I bought this Air Blower (Duster) from Aliexpress.
https://www.aliexpress.com/item/1005005872673268.html
It's a very useful tool, but with accessories it takes up a lot of space. So I ran my trusty onshape andcreated this holder, which I am very happy with.
I believe it will be useful for other makers as well. So here it is.
Recommended settings
Material: PET-G
Layer height: 0.2
Perimeters: 4 or more
Infill: 20% or more
Infill Type: 3D Honeycomb (or something similarly strong)
Supports: No