Hi there I'm the person that started the Silhouette thread this time last year that got people using the Silhouette Cameo and Portrait cutters. I'm going to start an LNER D3 soon, and I've recently been thinking about chimneys and domes and such like. To be fair, flat sheets of styrene, no matter how precisely cut, aren't going to produce much of a chimney. With this in mind, and because I would like to dip my toes into the water of 3D printing, I was thinking about using this thread as a diary