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Custom Happ Trackball?

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hypersurfer:
Here's my next brainstorm:

Get this set of marbles: http://www.amazon.com/SHASTA-Earth-Mars-Moon-marbles/dp/B0066AOIHO/ref=sr_1_3?ie=UTF8&qid=1393532232&sr=8-3&keywords=earth+moon+marble

Get a box of clear epoxy: http://www.amazon.com/Environmental-Technology-8-Ounce-Casting-Craft/dp/B000XAR0DM/ref=sr_1_2?ie=UTF8&qid=1393532720&sr=8-2&keywords=clear+epoxy

Use original Happ trackball as a mold.

Insert said marbles into goo and wait to harden and hope it turns out like this:  http://forum.arcadecontrols.com/index.php/topic,131493.0.html

Major concerns:  only one shot to get it right. getting mold perfectly smooth, lack of control where Earth and moon wind up in the casting.

Hmmmmm

pbj:
DO IT

TKW4rr10r:

--- Quote from: DeLuSioNal29 on February 27, 2014, 03:22:51 pm ---How about this?
http://www.thespacestore.com/spcreapam.html


--- End quote ---

Damn that's a contender right there. My concern would be the wear on the clear coating. This is an incredible idea.

yotsuya:

--- Quote from: TKW4rr10r on February 27, 2014, 03:48:13 pm ---Damn that's a contender right there. My concern would be the wear on the clear coating. This is an incredible idea.

--- End quote ---

From the site:

This paperweight features Mother Earth in all her glory. Approximately 3 inches in diameter, this crystal earth has amazing topographical detail. Click on the image for a larger picture. The wooden stand is not included - the sphere will stand alone.
 

This probably means that there is just enough cut off the bottom/the bottom is flat enough so that the paperweight is not a perfect sphere, I'm guessing.

TKW4rr10r:
Now I couldn't find any "globes", but found something else interesting:

http://www.aliexpress.com/item/Giant-Natural-Sodalite-Quartz-Ball-3-03-Inch-Crystal-Sphere-Orb-Healing-Free-Shipping/425216560.html

Look further down the page and you can see some pretty cool pics, some look "earth or terrain planet like".

Just spit-balling. Have no idea how this would work in a trackball environment. It weighs in at 1.3lbs, so not nearly as heavy as some of the other materials I've seen. Could work....


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