Foldable Smartphone keychain

Short video instructions: https://www.youtube.com/watch?v=o0QCKCRhKWMV2 added. The slider of the stand in the housing is now smoother.Small recess has been added to the support for easier removalAfter printing, please move the moving parts several times so that the grooves are smoothed out by the printing and everything can be moved smoothly.When installing, clip the stand close to the horizontal in the housing. Please make sure that the small guides on the stand are not broken offMost smartphone holders are large and unwieldy.Here is a small, fine smartphone holder that fits on every key chain and in every trouser pocket.The angle of the holder can be varied and folded up to save space after use.Only 12.5mm wide and 55mm long.The holder consists of 3 parts.The base body and the support can be printed without support.Please note that the small bar (see pictures) is really only 1mm wide, i.e. the support must be removed thoroughly so that no residue remains from the support and a flat s