Railway arches Workshops (variations)

Variations on scalecast's arches workshops from their OO design for N Gauge but as these are varients could be used for OO with some tweeking of the scales. will require some rescaling for perfect fit even in N gauge. (will try to sort that out)

suggested scaling for the scalecast arches (that is the actual inset not including the surround) = 65.5mm wide x 43.5mm high. I hope to adjust the scaling of these soon. If proportionate scaling is set scaling one dimension should automatically set