Parametric Wind‐Whirl Generator

Parametric Wind‐Whirl Generator What it isA fully‐parametric OpenSCAD script that generates elegant, spiral “wind whirl” sculptures designed to press‐fit a bearing. You get a hollow hub for the bearing plus twisting arms that catch a breeze, all customizable at runtime. Key FeaturesHollow Bearing HubPrecisely sized pocket (with clearance) for a bearing.Adjustable Spiral ArmsChoose how many arms (e.g. 3–12+), how long, how wide, and how much twist each one gets.Aesthetic ChamfersConvert each rectangular arm into an airfoil profile by chamfering each leading or trailing edge—tune the “wing” shape for maximal wind capture.Custom Wave PatternsAdd sinusoidal “wiggles” along your arms for sculptural flair. Control amplitude, frequency, start/end along the arm, and offset phase.Outer Cutoff & RingClip your entire sculpture to a fixed outer diameter, or surround it with a cylinder “ring” for a framed, contained look.Use CasesWind Sculptures & Kinetic ArtPerfect for yard or patio decorations—pl