About this 3D model

Here are four additional relief maps of the Hawaiian islands. The maps are based on the same NOAA data, http://www.ngdc.noaa.gov/dem/squareCellGrid/download/460, as the map of "The Big Island" - hawaii.stl - thing:105474. - The NOAA file was sampled at intervals of 12 arc seconds to give the following files - maui.stl ------------ 200 rows x 220 columns molokai_lanai.stl - 200 rows x 220 columns oahu.stl ------------ 200 rows x 220 columns kauai.stl ----------- 150 rows x 300 columns The vertical scale is a little over 200 meters per mm.