3D Printed Oahu, Hawaii

Sometimes you see a design online and just have to 3D print it!

This is an amazing 3D topographic map of the Hawaiian island Oahu, and for anyone that’s been there you should be able to make out the airport, Pearl Harbour and Waikiki areas. Thanks to Eric Pavey who created this model and detailed the process of using a tool called Terrain2STL on his blog. It’s also available on Thingiverse. The detail is amazing!

For something a bit different, I wanted to do a two-tone print to separate the water and land. Using the Pause at Height feature in Cura, I was able to swap out filament after the first handful of layers, going from eSun white PLA, to eSun bamboo filament. I must admit, the pause feature didn’t quite work how I’d like it to on my Wanhao Duplicator i3 Plus, not actually pausing the print and allowing me to resume it again when I was ready, but I was able to time my prints and catch the feature in time to quickly do a swap during the 30 seconds or so that the Pause at Height feature ran. All it did was move the extruder to the home position and extruded a bunch of material, and then resumed automatically. I might need to create some better G-code for this next time.

However, I’m very pleased with the effect, especially when you move a light around the model!

– Posted by James Novak

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