The recolor by CityCraft is a popular 1:100 scale papercraft model often sought by aviation enthusiasts for its detailed cargo livery. Model Overview
The primary source is the CityCraft Boeing 727 Page, where the DHL livery is listed alongside other 727 repaints.
For help with the build, CityCraft often provides assembly videos on their YouTube channel or social media pages to assist with the complex fuselage and engine construction. Boeing 727 Papercraft Template Guide | PDF - Scribd