Vertical Axle Wind Turbine(VAWT) with noise decreasing upgrade

this is a VAWT I made at the local fablab(protospace)according to the labmanager the twist in the blades removes the pulsating noisethe normal darieus makes.it`s made in openscad but the code is a little messy.(apart from openscad I only wrote some hello world like things for python tutorial exercises) --- Imported from Thingiverse: https://www.thingiverse.com/thing:1689 Original creator: random