Summary

business card case (91mm x 55mm)
https://www.thingiverse.com/thing:4820051

&

iPhone Stand C
https://www.thingiverse.com/thing:4816251

||

The above design was merged.

There are too many types and it is cluttered. My current recommendation is B2+03+bevelling.stl + A4-06.stl combination.

(Note) If it is not slippery, apply silicone oil to it. This will improve the situation. https://www.amazon.co.jp/dp/B01NAYJWK4/