SaveBazierPath.swift

let rect = CGRect(x: 0, y: 0, width: 100, height: 100)
let circleBezierPath = UIBezierPath(roundedRect: rect, byRoundingCorners: .allCorners, cornerRadii: CGSize(width: rect.width/2, height: rect.height/2))

//  1. Get Data from BezierPath
let bezierData = circleBezierPath.smGetData()

//  2. Store bezierData in user defaults
UserDefaults.standard.set(bezierData, forKey: "com.santosh.bezierPath")

//  3. Get BezierData from userdefaults
let myBezierData = UserDefaults.standard.data(forKey: "com.santosh.bezierPath")

//  4. Get back bezier path from data
let myBezierPath: UIBezierPath? = myBezierData?.smGetBezierPath()


extension UIBezierPath {
    func smGetData() -> Data {
        let bezierData = NSKeyedArchiver.archivedData(withRootObject: self)
        return bezierData
    }
}

extension Data {
    func smGetBezierPath() -> UIBezierPath? {
        if let bezierPath = NSKeyedUnarchiver.unarchiveObject(with: self) as? UIBezierPath {
            return bezierPath
        }
        return nil
    }
}