Stumbled across this one recently, as the link and image suggests this is a fully 3D printable berry picker! Thought about buying one, but this one is rather convincing due to its features.
Link to print! https://cults3d.com/en/3d-model/tool/mobile-berry-harvester-3d-print-forest-garden-berry-picker
Yes, they are terrible. Don't use such abominations.