Gift box with automatic opening

Gift box with automatic opening!What a pleasure it is to give a gift!But it's even better in a pretty box…. And even more surprising when it opens at the touch of a button! :)Update:I've just created a new version (V2)Assembling the lid is much easier because there's a pin on each sideThe spiral spring is a little thicker to create more tensionThe closing hook no longer needs to be glued onThe ‘bow tie’ contains more supports to avoid problems of detachment (especially on A1 printers