Picture of Ultra low cost dev/charging phone stand
There is my first instructable: How to make a mega-ultra-super cheap phone stand for dev or charging your phone.

Step 1: The secret is in the shape

Picture of the secret is in the shape
You'll have to draw this weird shape before cutting it.

The top line is straight, as the bottom and flanks.
Remember the pattern is symmetrical (mirrored).
Few try might be required ;)
Awesome !