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Knitting Machine Needle Replacement — zdjęcie 1
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Knitting Machine Needle Replacement

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I Reverse Engineered a knitting Machine Needle using a POP scanner

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Printables
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Creative Commons — Attribution — Noncommercial

I was trying to 3D print a replacement needle for my small knitting machine. I used the Revopoint POP scanner. I ran into a problem with it not being able to scan small parts. Support told me that part should be at least 50x50x50mm. I got around the problem by putting the small part on top of a larger one. Unfortunately this requires you to edit out the extra scan data. With such a small part, the three different scan views were pretty ratty. I managed to align them. I used a set of calipers to go over ever dimension I could and put the "correct" value in. I got a pretty good CAD model. My SLA 3D printer did a nice job with the print. Even my 3D EDM printer was able to print it (it was pretty ugly), but it still worked! I

Here are the things I used: 

  • Revopoint POP 3D Scanner ( https://amzn.to/35a6E1U ) 
  • 22 needle knitting machine ( https://amzn.to/3JJDmGx ) 
  • Elegoo Mars 2 Pro SLA Printer ( https://amzn.to/34NI1IL ) 
  • Elegoo Mercury Plus Wash and Curing Machine ( https://amzn.to/34NI1IL ) 
  • Isopropyl Alcohol 99%, One Gallon ( https://amzn.to/3s3HR8X ) 
  • Overature Grass Green PETG filament ( https://amzn.to/3IMLghX )

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