|Those distinctive curved walls that flank an otherwise typical double track entrance.|
The black lines marked in on either side show where the cutting land profile will be.
I used 6mm MDF as the base to add Slater's plastic stone walling. The capping and upper ridge course are Balsawood, the grey areas are Tamiya filler to join all the corners, angles and edges of the stonework. There are three rows of bricks inside the inner entrance edge, edged with a piece of 1.5mm copper wire to represent the round edge brick that ran the whole way around. Once these are painted and weathered, they will look the part.
|This portal measures 450mm across and 135mm high! The other portal has the same height|
but is slightly narrower.