VAWT Project

Printed in PETG
.2 layer height
10% infill
No support
Requires 200x200x180 bed. you will need to rotate the blades to fit diagonally on the bed.

when printing all blades I used 8 outline skirt offset by .25mm. This help with bed adhesion.

The number of pieces needed is at the end of the file name. Ex. Center Middle -1


All the parts can be ordered from McMaster Carr

5 - Thrust Ball Bearing Corrosion-Resistant, for 12 mm Shaft Diameter - 6655K76

5 - Clamping Shaft Collar for 12 mm Diameter, 2024 Aluminum - 9506T6

1 - Rotary Shaft 1566 Carbon Steel, 12 mm Diameter, 1000 mm Long - 1482K22

2 - 8-32 sets crews for the base to lock down the shaft


You don't have to use 5 bearing and 5 clamps. you can get away with 3.

also if you use 5. The screw on the clamp that hold the top bearing on the bottom and center axis will have to be worked on. The hex screw cap will have to be tapered so it doesn't rub the cover. I did this by spinning with a drill or drill p