Why does adding an infill mesh cause it to create duplicate walls?

[dodado 0]

Why does adding an infill mesh cause it to create duplicate walls?

I'm new to Cura.  I wanted to adjust the infill density of these 4 towers.  I created a rectangular block to intersect one of the towers and added an infill density setting in the "per model settings" > "modify settings for overlap" > "infill mesh only".  But no matter what I do, when sliced it seems to generate double walls, both outer and inner walls.  Original setting is 2 walls, but the tower with an overlapping infill mesh gets 4 walls.  I tried adding a wall thickness and wall count setting, but there is no effect.

[Cuq 205]

Hello, 

Are you using the last release 4.6.1 ?

Try to set the Wall Line  Count to 0 on the settings of your infill mesh 

[dodado 0]

Thank you, setting the wall count to 0 fixed the problem.