I was in the search for a simple phonestand which can hold an iPhone 11 and SE 2020.
I wasn't satisfied with the results so i made my own.
The second file has 12x12x1.5 mm holes in the bottom to add some rubber feet to stop sliding around.

Phoneholder

phoneholder.stl

### CURRENTLY WORKING ON A V2 WITH ~30.9mm WITH LESS PLAY IN THE TUBE AND MORE STURDINESS

Inner diameter of Desk mount tube: 31mm
Outer diameter of Desk mount tube: 35mm
Diameter of the arm inlet: 13mm

Tested with:

Microphone arms:
Rode PSA1
Millenium MA-2050

Lamps:
IKEA TERTIAL

Monitor Desk Mounts:
https://www.amazon.de/gp/product/B01FEAZG86
https://www.amazon.de/gp/product/B01FEAZG7M
https://www.amazon.de/gp/product/B01MZ70QJB
https://www.amazon.de/gp/product/B016AIWAJO


holding inset for monitor desk mount (31mm)

Remix of "[Laptop RAM Stand for DDR3 and DDR4](https://www.thingiverse.com/thing:4345330)" by @[MangaNight](https://www.thingiverse.com/manganight) for M.2 2280 SSDs

M.2s with Chips on both sides will fit too, but not in the outer Slots!

M.2 2280 Stand

Remix of "[Microphone stand cable clip](https://www.thingiverse.com/thing:2768187)" by @[peterthevicar](https://www.thingiverse.com/peterthevicar) for "[K&M 7-232-000155](https://www.thomann.de/de/km_7232000155.htm)" standextension (Diameter 18mm).


18mm diameter Cableclip

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LucaMH

Phoneholder

holding inset for monitor desk mount (31mm)

M.2 2280 Stand

18mm diameter Cableclip