About this 3D model

This semaphore was designed for my "Euroreprap Railroad System" collection. It is a working machine! It can display signals like: -STOP -FULL SPEED -LIMITED SPEED To learn about the assembly please take a look at this PDF instruction: https://www.dropbox.com/s/dbhcnn4r9yg35y0/SEMAPHORE-01.pdf?dl=0 >>No support is needed during printing >>Printers with small bed sizes will do fine (for bed areas below 15x15 cm please contact me first to obtain adequate files set on order) >>No special tools are needed during assembly (I use metal nail file for finishing places where excessive material remained) >>The model's dimensions after assembly are: 84x92x283 mm (3.3x3.62x11.14 in)