Put the printed model in the container with anhydrous ethanol for 5 minutes and then clean. If the surface structure of model is complex and difficult to clean, you can use the low-frequency ultrasonic cleaner to clean .But if use the high-frequency and high-power ultrasonic cleaner to clean，it may cause some damage of the surface and the details of the model.
Please blow-dry the surface of the model with a hair dryer; If it is still oily , it should be cleaned again until it is dry.
Note: If put the model in alcohol for a long time, the resin will be eroded. It will cause the model soft and damage the surface of the model.