venturi nozzle 3d model

Industrial CAD 3D model of a coaxial Passive Venturi Airflow Module, hollow, single watertight mesh, 2mm wall thickness. Total length: 220mm. 1. Converging Inlet: 60mm length, tapering from 90mm outer diameter to 35mm throat diameter. 2. Throat Section: 30mm length, straight cylinder, 35mm constant outer diameter. Midpoint has 6 forward-angled air entrainment ports (6mm diameter each) cut through the wall at a 30-degree tilt toward the outlet, evenly distributed with 60-degree radial symmetry. 3. Diverging Outlet: 130mm length, expanding from 35mm to 75mm outer diameter, gentle inner divergence angle under 7 degrees to prevent flow separation. Style: Clean geometry, hard-surface CAD, rotational symmetry, sharp edges, watertight for 3D printing, no textures.