Freecad - How to Model Twisted Spiral Vase

Twisted spiral vase modeling in Freecad. This model is constructed starting with sketch and revolving into a solid body. Additional sketches were utilized to get the Spiral. Thickness along the spiral is uniform. Modeling methods used include shape binding, boolean operations and draft array. All these complex ops explained clearly during the model building process. See following videos on Constraints https://youtu.be/6WQEm552PsQ https://youtu.be/3kS_aERmjHk