In our thesis we designed a fishing rocket intended for feeding fish. After analyzing the market, we found that each of the rockets currently on the market has certain shortcomings. We made three different concepts. After the valuation, we decided which one is the most suitable. We modeled the fishing rocket in a way that it is possible to make it with technology of 3D-printing. From the very beginning we designed the entire construction process in a way that we did not need the support structures. Before choosing the appropriate printing technology, we reviewed the literature. Based on it we decided for the technology of fused deposition. The most suitable material for the fishing rocket was PETG. Relying on the literature we also choosed the right parameters for the printing with selected material. After printing we tested the opening of the fishing rocket, when it falls into the water.
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