Various RMWebbers own one of these machines and I thought it probably deserved a topic of its own where experiences and issues could be swapped.   For my sins I had a simple dream, to create a super-detailed Gresley Bogie and fully expected to make this available through Shapeways however recent price rises have made this impractical resulting in a pair of 4mm bogies coming out around £40 in 4mm scale. I had designed the model to cater for Shapeways' minimum thicknesses and did not fee