Instructions for a complete build of the GWR Pollen E are available and start about half way down this page - https://www.rmweb.co.uk/community/index.php?/topic/51212-litt le-didcot/page-21 Movement to mirror the prototype turntables is provided in the model and it is not necessary to make the changes in the article. General assembly can be followed for the older version GWR Pollen C model. Here:- https://www.shapeways.com/forum/index.php?t=msg&th=17483 &start=0& hazelwoodmodels@hotmail.com 1/1/14