I alway take video with my smartphone, including this build video,
and this is how I do it with a DIY tripod mount.
In this video I will show you how to build a simple tripod mount for free
from just a credit card or discount card.
It allow the phone to tilt forward and backward but not side to side.
Material : credit card or discount card, anti-slip mat (optional).
Tools : scissors, masking tape, ruler, pencil, pliers, lighter, glue.
Build video below:
pattern and dimension: