I just wantet to share the beatifull work from soloprototype here. if he wants to put it in Makerworld himself, im going to take this here down.

i have the model and the instruction from here: https://thangs.com/designer/soloprototype/3d-model/CANDY%20GAT%20-%20THE%203D%20PRINTABLE%20CANDY%20SHOOTER-905329

he has some detailed instructions and some nice videos on Youtube, so go check him out there.