This is a Type 23 Bunker based on one found in the woods near Tomlinscote School, Camberley, UK
This model is available in 2mm Finescale (1:152), Z Gauge (1:220) or in a 6 Pack for T Gauge (1:450)
The 2mm Finescale and Z Gauge models are best printed in Alumide, but White, Strong and Flexible is available for those looking to save cash, with polishing available for 2mm Finescale. The T Gauge Model is only available in Frosted Ultra Detail and Frosted Extreme Detail.