With this holder you can attach your smartphone to the ventilation grille in your car. Any smartphone which is longer than 140mm and thinner than 12mm should fit in due this model is extendable in hight. The dimensions for the ventilation grille holder are in the pictures above. To make it work, you need two household rubber which you attache like in the pictures.
Important: I would recommend to place the handy holder like in the screenshot above in cura! If you download the file it won't be placed like in the picture imediately.