Parametric pipe reducer fitting

Parametric pipe “reducer” fitting: I made this model to be able to create a tight fit for the outlet of my washing machine.Feel free to customize this model for your own project :) For any suggestions or question please leave a comment behind ;) Key Features:Shaft:A cylindrical base with a defined diameter (shaft_dia) and height (shaft_height).Top Section:A larger diameter cylinder (top_dia) placed on top of the shaft.Hole:A cylindrical hole that extends through the entire length of the shaft and the top section.Parameters:shaft_dia: Diameter of the shaft base.shaft_height: Height of the shaft base.hole_dia: Diameter of the through-hole.top_dia: Diameter of the top section.top_height: Height of the top section.$fn: Resolution parameter, controls the number of sides used to approximate the circles. Higher values result in smoother curves.Construction:Union:Creates a combined shape by joining:The shaft cylinder.The top section cylinder, translated to be positioned on top of the shaft.Dif