Nissan Versa Note Radio Knob Insert

The knobs on my Nissan Versa Note radio consist of three parts. There is a black part that actually connects to the shaft and turns it. There is a chrome piece that goes on top of that, and then there is a black disk that goes on top and has hooks that push through to the bottom piece to hold all three pieces together.

One of mine was missing the top piece, so I built it and printed it. The last two pictures show mine and the original look on another knob. Not perfect, but much better than t