Hardware you need:

• 22 M5 X 20 mm bolts
• 2 Skate roller bearing (608 size)
• 2 bars 15 mm diameter. Minimum length 300 mm. 

Support is designed for a 35 mm diameter pole.

Anemometer cups: glued to the rotor arms. Better to be printed upside down using supports, and brims. 

Wind vane is split on two pieces to be glued, to fit small 3D printers.