Pulley/Carrucola v3

This is the new and improved version of my first pulley (https://www.thingiverse.com/thing:2974769).
Improvements:
thickened the walls of the sides A and B (both are the same);
inserted a cylinder to slide better the washer;
Increased rounding of edges of sides A and B.
In the second picture the small pulley is scaled to 60%.
Designed with Fusion 360.
I hope you like it, good prints.. :)
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Questa è la nuova e migli