>>> You must add an "inside_vector" to the mesh2 objects if you want to use
>>> them in CSG (eg merge). Try adding "inside_vector y" to each mesh2 and
>>> the inner face should be gone.
>>>
>>
>> Not needed.
>
> The output is different depending whether you use inside_vector or not,
> so either you definitely must use it for the correct result, or you
> definitely must *not* use it for a correct result... I've always used it
> by default for meshes as I wasn't aware using it could do any harm!
>

Adding an inside_vector when not needed can't cause any harm. It only 
add a way to decide if any point is inside a mesh or not.
The ability of detecting the insideness may, in some particuliar cases, 
cause a mesh to render differently when there are enclosed triangles.

Post a reply to this message