Yes, it is possible to create a DIY oxygen concentrator using a zeolite setup, but it requires a deep understanding of the pressure swing adsorption process, proper materials, and safety protocols. You would need components such as a compressor, zeolite beds, filters, and valves to manage the adsorption and desorption of nitrogen. However, building such a system can be complex, and ensuring the safety and performance of the oxygen concentrator might be challenging without professional-grade equipment.