Block-Making 1   The 1/160 scale from certain perspectives is rather inconvenient actually: too big to fake things and too small to do them properly due to practical limitations of tool sizes and materials dimensions. Blocks at this scale would probably come in the range between 0.8 mm and 2 mm length. The latter would be a hefty 32 cm (or 13”) in real size, at least for smaller ships. When I started dabbling with photo-etching in around 2007, I had the idea to fashion block