The knowledge of the mechanical properties of the material used is a necessary prerequisite for the quality design of any structural unit. It applies to components manufactured using Rapid Prototyping technology (hereinafter only RP) multiple times, because it is not enough to only know the mechanical properties of a material from which the components are printed. Other factors affect the component printing, such as the orientation of the printed component, the selection of the component's internal structure, possibility of connection with other materials, etc. The article follows from the previous research of the experimental determination of the bend strength of parts printed by RP technology from polycarbonate, which focuses on bend-testing of samples printed with various internal structures. This article expands on the original research by experimental determination of the bend strength of printed components, which form a unit with another material. The obtained information can be utilised in the design of components manufactured with RP technology using professional printers.
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