Carreg Coetan Arthur neolithic burial chamber

Carreg Coetan Arthur is a wonderfully preserved neolithic burial chamber in southwest Wales. Legend says that King Arthur played quoits here, which is why the name means Arthur's quoit stones. And not only is it one of the best preserved neolithic dolmen in Pembrokeshire, but also it is one of the most impressive, having a capstone that Wikipedia says is around 4m long and dates to around 3000 BC. So this is a small 3D printable model of the dolmen at an approximate scale of 1:76 (Hornby OO) fo