30 to 40 fan duct
thingiverse
Customized version of http://www.thingiverse.com/thing:735038 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=735038 Instructions Using the following options: n_angle = 0.501 a_mani = 45 n_pipe = 1 $fn = 90 d_fan2 = 40 d_fan1 = 30 l_mani1 = 0 t_wall = 2.5 ds_fan2 = 3 ds_fan1 = 3.4 a_cone = 100 ls_fan2 = 32 ls_fan1 = 24 az_mani = 0
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