3d Printer replacement part

Recently our laser suffered a fatal failure of the water pump.  This caused the tube to overheat and crack.  While waiting for the replacement tube and pump I decided to attempt to fix the pump by 3d printing a replacement impellor.  The first attempt failed because I used too tight of tolerances.  When I loosened the tolerance the replacement part worked.  To avoid future failures of the laser we have placed the old pump on the hack rack and are using the new pump.

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