Earth Shot

by WilliamAAdams, published

Earth Shot by WilliamAAdams Nov 28, 2011

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Since I made a new release of Banate CAD today:

I thought I'd make somethingto to go with it. Well, while I was out in space taking pictures of the moon, and space ships, I thought, hay, why not turn the camera towards earth and take a couple of snaps, and create a model while I'm at it.

This thing is a vector normal mapped (a new term I found on the internet) model of the earth.

I grabbed a couple of high quality pictures from the internet, and just threw them into Banate CAD, the same way as I created the moon shot, and there you have it!

I'm sure someone is dying to tell me the earth is an oblate spheroid, and that I can't model it strictly as a sphere, but I think at these sizes it won't really matter.

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It's not quite that smooth. On Bowlingball earth (which will just about fit on a Prusa) Everest is ~0.15mm high, which is an easily achievable layer height on a well-tuned machine. =-X

Billiard ball, snort, pushing up glasses. An earth the size of a bowling ball would be smoother than current plate glass with a deviation less than 1/20 millionth of an inch.

Also, I will be printing mine with a ratio of Π * 22 / 7 as an oblate spheroid right after I find out what a Gurl is. 8-)

I'm using the Ultimaker: Jupiter Edition.

But man, you thought the lead time on the regular Ultimaker was bad...

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Earth Shot by WilliamAAdams is licensed under the Creative Commons - Attribution license.

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1) Print
2) Rule the Earth
3) Rejoice!


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kenwshmt on Nov 29, 2011 said:

And the whole of the texturing is less than the error rate introduced by the printing :P... how to express a 10 mile deep ocean trench on an 8000 mile wide sphere.

tlalexander on Nov 29, 2011 said:

Yeah, I've heard that if the entire earth where shrunken to the size of a billiard ball, it would be as smooth. (and just double checked that so as not to perpetuate false stuff... and yup! true) So, hard to make real representations of it without exaggerating things a bit.

tlalexander on Nov 29, 2011 said:

Hey Man, the earth is an oblate spheroid, you can't model it strictly as a sphere.

Also, at these sizes? I'm printing mine 1:1 you insensitive clod.

WilliamAAdams on Nov 29, 2011 said:

You better start ordering plastic now!