Animation Stand

This is a support for a smartphone, to take pictures of a series of drawing a A4 format paper, in the process of making hand-drawn animation.

All explanations are available (French language) here: https://wiki.logre.eu/index.php/Support_smartphone_pour_travail_d%27animation

And the original parametric CAD model is shared through this link: https://cad.onshape.com/documents/753f5a1e4195c610c955f0c1/w/2ba5d52c15907dfcaec40ebe/e/01bf51533b908ba60f0d745e
From this model you get 3 main parameters, namely paper length and width, and distance from paper to smartphone.
If you have an Onshape account (free for makers or educational: search for "onshape free") you will be able to export or copy and modify as you want.