drawbridge
thingiverse
To achieve a 1:50 scale, adjust the slicer settings by scaling back 0.02; however, note that an inlay designed for 1:50 might not fit other scales. For drawing bridges, utilize the basic file and incorporate "@pause" into the layers requiring inserts.
Download Model from thingiverse
With this file you will be able to print drawbridge with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on drawbridge.