Mars Globes (Highly & slightly exagerrated)

by neurothing, published

Mars Globes (Highly & slightly exagerrated) by neurothing Jul 5, 2012

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Per request, this is a globe of the planet Mars. The primary file (marsglobeexag2.stl - printed in natural ABS) is vertically exaggerated about 50X. The other file (marsglobeexag.stl - printed in silver ABS) is only exagerrated about 10X. If you print it large the less exaggerated one would be suitable for painting and display, but for my purposes (a tactile model for bringing space science to the blind) the more exaggerated is my choice. Olympia Mons looks like a nipple and Valis Marineris almost cuts through the shell.


This is not a derivative, but a serious tip of the hat to tbuser for his Mars Surface Map (http://www.thingiverse.com/thing:25319) as I used the same altimetry source data for the heightfield, which was then attached to a sphere (radius = width of heightfield/2*pi and aligned under the heightfield mesh) using the ApplyMeshUVN command in Rhino3D.

To get the differences in vertical height, I just changed the vertical height setting (V option) during the ApplyMeshUVN command - the default value of 1 yielded the exaggerated version, applying a value of 0.2 gives the smoother version.

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11406Views 2252Downloads Found in Physics & Astronomy
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awesome. how did you create the height-exagerated models? I've been meaning to do that with a model of the earth.

Excellent - just the thing I hoped it would be used for - thank you!

Thanks once more for providing this model. I printed a dozen small ones for the kids in my astronomy workshop.

Great idea
amp; thank you for the model!

Printing it right now to make a globe.
I hope I can get the pole/direction right :-)

Thanks for fulfilling my request. Not to be greedy or pushy but how about the rest of the inner solar system (Mercury
amp; Venus)? I know there's a globe of Venus out there in various colors that uses a radar based mapping run of the planet. I'm sure the Messenger probe has or will eventually provide data sufficient to make a textured Mercury.

I want to print a set of planets, moons, asteroids for my 3 y.o. daughter. She likes to reach up and grab the Moon and planets when they're visible in the sky. I've made a few color printed papercraft planets for her to look at but they're too fragile to let her handle (she already gave Mercury
a new "crater").

I'm actually working on something like that for this space science for the blind. Once I get all the kinks worked out for the Replicator, I'm going to start making sets, which will include to-scale asteroid sets, Jovian and some Saturnian satellites as well as Mercury from MESSENGER and Venus from Magellan. But thank you for introducing your daughter to space science and I'll try and get stuff up as fast as possible.