Unfortunately the hole in the original propeller by Jhead was not round enough and not big enough for seamless rotation on the typical blue connector pin 6558-02. So I increased the diameter by 0.2 mm and increased number of sides to 64 (very round).

Printed with PETG on Prusa MK3.5, no supports, 0.20 mm, zero infill, 2 perimeters, 2 top-, 2 bottom layers

Rotates easily.