CNC-Clamp with Logarithmic spiral for Fusion 360

Create-Clamp.manifest

{
	"autodeskProduct":	"Fusion",
	"type":	"script",
	"author":	"Donie",
	"description":	{
		"":	"Create a cam shape for clamp"
	},
	"supportedOS":	"windows|mac",
	"editEnabled":	true
}

Create-Clamp.py

#Author - Donie Kelly
#Description  - This script creates a spiral path for the clamp using a Logarithmic spiral equation.
import math
import adsk.core, adsk.fusion, adsk.cam, traceback

def run(context):
    ui = None
    try:
        app = adsk.core.Application.get()
        ui  = app.userInterface

        design = adsk.fusion.Design.cast(app.activeProduct)
        rootComp = design.rootComponent
        sketches = rootComp.sketches
        
        sketch = sketches.add(rootComp.xYConstructionPlane)
        sketch.name = 'Clamp'

        lines = sketch.sketchCurves.sketchLines

        start = adsk.core.Point3D.create(0, 0, 0)
        
        points = adsk.core.ObjectCollection.create()
        
        a = 3.2 
        b = 0.2

        # Draw a spiral 
        for i in range(30, 340, 5):
            t = math.radians(i)
            x = a*math.exp(b*t)*math.cos(t)
            y = a*math.exp(b*t)*math.sin(t)

            points.add(adsk.core.Point3D.create(x, y, 0))

        # Create the spline.
        spline = sketch.sketchCurves.sketchFittedSplines.add(points)
        spline.isFixed = True
        
    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))