extra faces on edges after extruding
on several occasions ive noticed after extruding faces, something happens where additional faces are created on edges. this doesnt happen all the time but when it does i think there's also dual vertices on bordering corners.
if i had to guess, it has something to do with the normals.
i normally delete the extra faces and merge the vertecies.
does anyone know why bthis happens and if deleting and merging solves the problem completely?