Game Development Reference
Open it up in GIMP and select a large rectangular area, the full height of the
building, containing only the metal cladding panels.
Using what you learned in the previous chapters, create a seamless texture for the
side of the building. You should end up with something like the one shown next:
5. If you want to be really clever, resize the canvas of the first texture and add this new
texture to it. This will also leave space for further textures for the roof and interior.