All parts except the screw conveyor can be printed without support, although some small unclean overhang spots may remain on the non visible inside (I haven't tried printing with supports). The screw conveyor needs support only on build plate, the bottom side of it will not look smooth.
Create your custom trim with your individual text at https://3d.sui.li/candy
Made with blender. Original files on github: https://github.com/sui77/3d-printing/tree/master/CandyDispenser/
Happy printing and don't forget to post a make :)