I got brave and tried a .stl file on my Shapeoko 3 to see how well it might work, being a “2.5 D” system. I was surprised at how well this really did work out as I had to downsize the contents of the file to fit my system platform. It still has bugs in the file which I need to correct still, but, as a first run on anything like the .stl formatting I’m satisfied. The photos depict a 6" version of the bank downsized from at least a 10" version with no other modifications than the downsize.
The modifications were down in Aspire and run through CMotion. Photos below.
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Don’t worry about defects in carving, because it will get really banged up soon after you (or someone you know 
) starts beating it to get that change out! 
Looks like it was cast in metal to me. Nice job!
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I hit the Menards paint department and got help to find a paint that was actually named NICKEL! It does look like metal even up close. I still have a repair to paint a second time then a couple of clear coats and then it gets a black wax coating and then buffing to make it show up highlights better.
Hey, thanks for checking it out and for the feedback.
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