You can buy them on my etsy store:
https://www.etsy.com/de/listing/652121833/verdampfer-halter-rta-rda-halt-6
Should fit atomizer with up to 26mm.
I uploaded
...显示更多 also the single levels, so you can build your own stand.
printed with:
0,4 noozle
0,15 layer
30% infill