Download this OpenSCAD file (or edit it in the web) to customize and 3D print your own funnel, perfect for various practical applications. The design is parametric, allowing for easy adjustments to fit specific needs.

Parameters:

• Top Diameter (top_diameter): Controls the external diameter at the top of the funnel.
• Tube Height (tube_height): Adjusts the height of the tube at the top.
• Thickness (thickness): Sets the wall thickness of the funnel for optimal durability.
• Cone Height (cone_height): Alters the height of the conical part of the funnel.
• Cone Diameter (cone_diameter): Determines the external diameter at the base of the cone.