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Hello, Thank you for designing such a great turbine. I have a Prusa Mk2S and have made 2 of these turbines in the past 6 months, I posted pictures of my first one in April, 2017. I've had the same issue with both. The tolerances between the HPT and the LPT Stage 1 are very tight. Also the spacing between the LPT Stator Stage 4 and the Nozzle are also very tight. I've tried to change the height (Z) of the parts but this seemed to make it worse. Can you reply with a solution to try.

Also, I'm not sure if this is an issue with my printer but the tolerances of the LP Shaft front and Aft are Too accurate. What I mean is the 17mm and 20mm landings where the bearings mount are exact. I have to sand the shafts to make the bearings fit. Is there a way to reduce these ares without affecting the other dimensions of the parts.