This piece is part of a catan set for 3d printing.
It was made in gravity sketch.
The print takes about 2 hours to complete.
You can see me building this model here: https://www.youtube.com/watch?v=GX2AT9y2w_Q&list=PLczqsWNvJpzNCSUlVkcSQkcibNwXzoowx&index=37