I am new to POV-Ray.  In the example below, I am trying to merge two boxes
together.  But when I render the image, the boxes disappear at the sections
where they intersect.  Is this correct?

How do I get my two boxes to merge into one uniform 'T' shape.  This does not
happen with a 'union'.  But I can't use 'union' because I want to render the
'T' as a 'glass like' object.  Any suggestions?

#include "colors.inc"
#include "textures.inc"

global_settings
{
        max_trace_level 10
        ambient_light White
}

background { color Gray }

camera
{
        location <0, 153, -320>
        look_at <0, 153, 0>
}

merge
{
        box{<0,233,0>, <233-16,197,36>}
        box{<197,/*233-16*/300,0>, <233,107,36>}

        // Tinted blue crystal
        pigment { rgbf<0.8,0.8,1,0.9> }
        material { M_Glass3 }
        interior { Glass_Interior }
        finish { Glass_Finish }

        translate <-143,10,-18>

        rotate <0,clock,0>
}

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