About this 3D model

setup: 3 perimeters, 3 lower, 5 upper. 10-15% infil gyroid. Small parts with threads (2x) 6 perimeter. lamp shade Make the inner circle of the lampshade 35.3 mm, it rests on 35 mm so that the lampshade can be rotated. The height of the inner circle of the lampshade is 10 mm and rests in a gap of 11 mm