1 Topic by rich911rt

  • rich911rt
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  • Registered: 2020-02-17
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Topic: Minimum scan volume

I like what I have read about the Atlas 3D scanner and the FreeLS (or Murobo) software.  I want to scan a flatish object 3x5x1 inches (x by y by z))... the contour I want to capture is in the z direction and varies from 0.2 in to 0.5 inches in both x and y.
Is there an idea on the minimum size object the standard Atlas 3D can do with say 0.05 inch accuracy?
I did search around on this forum but did not find any minimum size spec.
Thanks, Rich

2 Reply by Brink

  • Brink
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  • Registered: 2017-06-11
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Re: Minimum scan volume

The size of your object will certainly fit inside the scanned volume. Variances of between .2 and .5 inches will also not be a problem. If you have really good lighting and the scanner is well-calibrated and your object is not transparent, black, or glossy then you'll have not any problem capturing the .05 inch detail that you mentioned. Black can be made visible to it by using blue lasers instead of red ones in your build. Transparent, glossy, shiny or specular, can only be seen by painting or powder coating the object so that the camera can see the surface of the object and not just through it or reflections off of its surface. White paint is great. Baby powder works pretty good too when the scanned object can't be altered with paint.

Having said that, you still need to consider this:

The scanner scans from a camera that sees the sides of an object as it revolves. It does not scan tops and bottoms. It is certainly possible to get a complete scan by scanning the object and then turning the object on its side and scanning again. You will then have to use external software such as meshmixer, meshlab, or similar software to merge the two scans into a single 3d object afterward.