Below are tutorials that that helped me with drawing up my 3D model on Rhino.
(inspired from video tutorial: https://www.youtube.com/watch?v=KyQr2Rimepg&t=183s)
Screenshot of youtube tutorial (retrieved from: https://www.youtube.com/watch?v=t7ON4NhJvxQ&t=2337s)
Screenshot of youtube tutorial (retrieved from: https://www.youtube.com/watch?v=4CxvMCeRtaw&t=64s)