Y-Shaped Hose Connector

Create a hollow Y-shaped pipe connector for joining two air conditioner condensate drain hoses into one outlet. The connector must have three identical straight cylindrical hose connections. All three connections must have an outer diameter of exactly 16 mm and the same length of 35 mm. The two upper connections should point upward at 45° from the vertical, forming a symmetrical Y shape with a 90° angle between the two upper connections. The third connection should point straight downward vertically. The three connections must be geometrically identical — do not add any cone, taper, barb, O-ring groove, or different shape to any of the three ends. The only difference between them is their orientation. The connector must be completely hollow, with a continuous internal passage connecting all three branches. Use a 2 mm wall thickness, so the internal diameter of each 16 mm outer-diameter connection is 12 mm. Make the transition between the three branches smooth and rounded, similar to a molded plastic Y pipe fitting. The outside of the three hose connections must remain straight and cylindrical. No threads, no O-rings, no mounting holes, and no additional features. The final part should be suitable for 3D printing.

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