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  1. #1
    Engineer-in-Training
    Join Date
    Aug 2015
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    241
    I was looking around for a good 0.1mm scanner for some time, and most were around +2300,
    David scanner has a sweet setup but was too expensive for me, Einscan-s is is for me the best bang for your buck.

    but you will need a good PC to work with the large files, and graphics needed.

  2. #2
    Technologist
    Join Date
    Jul 2014
    Location
    UK
    Posts
    124
    To be honest, the projector and webcam only cost me £100. The David software is £300 so for £400 I could have a complete SLS setup.
    But like I said, there's more work involved with David and it's more time consuming so I'm happy to pay extra for the Afinia to reduce all that and still achieve good quality scans.

  3. #3
    For mesh simplification I use Vizup http://vizup.com/products.html. I also use GOM Inspect (brilliant piece of software), Meshmixer. But Vizup I find keeps the geometry and shows you 10 different reductions to choose from.

  4. #4
    Technologist
    Join Date
    Jul 2014
    Location
    UK
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    124
    Thanks, didn't know Meshmixer could do that.
    So you use the "Simplify" option in the scan software first ?
    Last edited by scobo; 04-08-2016 at 03:30 PM.

  5. #5
    Engineer-in-Training
    Join Date
    Aug 2015
    Posts
    241
    The "simplify" option is also a mesh decimation option,
    I only do it with large objects, this makes more easy to import into Meshmixer or Rhino3D.

    depending on what kind of object you scan, you want to keep more control if you are going to reduce the mesh (if you want or need to),
    and the "simplify" doesn't show you a preview how it will look after decimation.
    Meshmixer gives you more options and a preview before accepting the settings

  6. #6
    Technologist
    Join Date
    Jul 2014
    Location
    UK
    Posts
    124
    I've been playing around with Meshlab, the simplication filter does a pretty good job of reducing a mesh.
    I can't see any difference in quality at 50% reduction and of course, it cuts the file size in half.

  7. #7
    Technologist
    Join Date
    Jul 2014
    Location
    UK
    Posts
    124
    After a few days playing around with it, I've got to say it's an excellent bit of kit !
    The auto alignment really is fantastic, way better than any other software.
    Still trying to find a way round the hole filling though. Anyone have a way of dealing with this ?

  8. #8
    Engineer-in-Training
    Join Date
    Aug 2015
    Posts
    241
    They would need to adjust thee software, and I wonder if the Pro version has this option ?

    Do you have trouble with the hole filling ?, I just keep on scanning until I can't see any holes in the preview before completing the scan.
    and only have alignment problems once in a while

  9. #9
    Technologist
    Join Date
    Jul 2014
    Location
    UK
    Posts
    124
    I find the software sometimes fills in too much of the scan and fills areas that shouldn't be filled.
    This was mentioned in another thread but I don't think a full solution was given.

  10. #10
    Engineer-in-Training
    Join Date
    Aug 2015
    Posts
    241
    I think your only solution is to do a free scan, and import all the scans into Meshlab, and stitch the scans manually,
    but then you also have to fill the holes manually.

    would it not be an option to adjust the area that was filled improperly in Meshmixer or other software ?
    you can manually sculpt in Meshmixer, I have smoothed surfaces with ease, and adjusted holes and surface bumps.

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