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  1. #1
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    DIY Scanner, was it worth it?

    Hi All

    Having read through the thread on DIY Ciclop scanner building, I have no real impression of how good the scans were.
    A number of people seemed to put a great deal of effort into building a scanner, but are they being used? Are the results worthwhile?
    Does the scan take too much effort to clean up and consequently the scanner is not used?

    Nigel

  2. #2
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    I was having trouble getting any kind of point cloud at all ... nothing in the view window and the point cloud files consisted of just the header. I finally did fix that when I (accidentally) got into a calibration run that was a bit more exhaustive than the one I had run (don't know why/how).

    But I while I get some kind of image, it's only vaguely reminiscent of the original object. I've put a fair amount of time in so far but probably not nearly what is needed to get acceptable results. And there are so many other things I want to do that the scanner keeps getting pushed on the back burner.

    I just hope that this isn't one of those things I've seen in the past where the commercial version works but the public domain version is ..... different.

  3. #3
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    for the time being i've put my scanner in the spare room, will soon maybe get around to trying to get the dam thing to scan as advertised by bq, has the same laser's, same camera, i pressumme it has the same firmware, same motor, bq zum board, still it has unusable results, tried in dark, near dark, lit and highly lit, lasers are focused, so is the camera, calibration gave good results, had to put it away for now before i chucked the dam thing haha

  4. #4
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    I am having a problem with the stepper motor ringing currently - so I'm losing torque and it's making quite a bit of noise. I'm not sure if it is the zum board that I soldered myself or not!

  5. #5
    Administrator bolsoncerrado's Avatar
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    What driver chip are you using on it clayton?

  6. #6
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    I've tried the drv8825 and a4988. Played with the voltage pots on both and still getting the resonance in the stepper.

  7. #7
    Administrator bolsoncerrado's Avatar
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    Seems many people complained with bad results using the DRV one, so using the A4 sounds the best option. I wonder how many opted for the DRV wrongfully....

  8. #8
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    I can get it to work with either currently...

  9. #9
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    Quote Originally Posted by Nigel View Post
    Hi All

    Having read through the thread on DIY Ciclop scanner building, I have no real impression of how good the scans were.
    A number of people seemed to put a great deal of effort into building a scanner, but are they being used? Are the results worthwhile?
    Does the scan take too much effort to clean up and consequently the scanner is not used?

    Nigel
    I just bought the full kit at 219 and after 2 full days of playing around with it, I've got to say I'm slightly disappointed with the end results.
    The scanned point clouds are actually fairly decent looking but I can't seemed to get a decent mesh from them.
    I'm using Meshlab and Cloudcompare to reconstruct a mesh but the resulting STLs are either lumpy looking or lose a lot of detail compared to the point cloud.







    This one seemed pretty detailed after scanning ....





    But the converted mesh (STL file) lost most of the detail ....



    Maybe the conversion method I'm using isn't the best.
    Anyone got any tips for converting a point cloud to a mesh ?

  10. #10
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    You may be "slightly disappointed" but your results are 20,000% better than mine and in fact better than anything else I've seen.

    Perhaps I should post the poor results that I'm getting and see if it rings a bell with someone.

 

 

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