criticized a recent Workbench entry, I challenged him to show that he could do better... 
From Long Face Games
Watermarked PDF – $3.83 USD
An STL file representing the U.S. Navy's Landing Craft Infantry (Large), or LCI(L), in this case, the "round con, side ramp" variant.
The model is scaled at 1:600, but can be easily rescaled to 1:300 or 1:700 in your slicer software.