To provide an impression tray and a working model manufacturing method capable of manufacturing a working model based on an impression material with high accuracy and reproducibility without requiring labor.SOLUTION: The impression tray 1 is an impression tray 1 which holds an impression material for obtaining upper and lower impressions and engagement by being inserted into the oral cavity of a patient to be engaged, and is made of a thin film, A tray body 12 having a screen 20 having an engagement portion and a frame 16 supporting at least a part of the outer periphery of the screen 20 a hole which is connected to the tray main body 12 and into which a guide rod 14 is inserted A guiding marker section 11 having balls 15 provided therein and a holding section for rotatably holding the balls 15, a variable mechanism for making the positions of the balls 15 variable relative to the tray body 12,BACKGROUND OF THE INVENTION
