Abstract: The use of an element for a writing, drawing, marking, and/or painting device, or cosmetic device, or input device for touch-sensitive surfaces, wherein the at least one element is a 3D-printed element. The at least one element has at least one main body and at least one structure. The at least one main body consists of a first material component. The at least one structure is provided as a visually detectable structure and/or at least one structure formed as a haptic zone. The at least one visually detectable structure and/or at least one structure formed as a haptic zone is a raised structure which projects from the surface, or the at least one visually detectable structure and/or at least one structure formed as a haptic zone is a decorated zone of the surface.

Abstract: A refill arrangement for an ink reservoir of an automatic writing system has an ink reservoir, an adaptor, and a refill container provided as individual parts and to be combined for filling the ink reservoir such that the adaptor connects the refill container to the ink reservoir and such that the refill container, the adaptor, and the ink reservoir are hermetically sealed relative to the ambient atmosphere when connected. The refill container is positioned vertically above the ink reservoir in a filling position of the refill arrangement. The refill arrangement operates pressureless or by gravity feed. The adaptor has a housing, a first connector arranged in the housing for receiving a connecting piece of the ink reservoir and a second connector arranged in the housing for receiving a connecting piece of the refill container. The housing has a filling channel connecting the first and second connectors.