Originally posted at Camheads.org. by me GJMATHEWS at Camheads. You can click the link below to see my other work. You may need to register to view photo albums.
One of my many other talents is Laser Scanning parts to produce working 3D models for milling on CNC machines. I know there are other companies out there that do this, but for some strange reason, I never see the initial scans of these companies.
A member of Camheads sent me these chess pieces. This is a quick scan of the bishop, using my hand held scanner. Tomorrow I will set up studio lights and produce a 3d Scan of the entire piece. Total scan time was 4 minutes start to finish. From the basic scan, I can make a watertight .STL ready for milling as you can see in the second photo. Total time to do all this was less then 20 minutes. This basic scan file has holes in in it right now, however they are so small, you could mill with a 1/16 inch ball nose and not pierce the surface. All laser scanners have faults. I know someone will email in the next day or two telling me that their scanner is perfect and you can scan and mill with no file manipulation whatsoever other then Axis placement and tool paths. In some cases you can, but the detail is lacking, such as the owls that I scanned and milled. However, the proof is always in the pudding. My pudding is a Polhemus FastScan!
This piece stands 3 and 3/8 inches high. As you can see the detail is pretty pronounced for a hand held scan.
Would love to see the work of others, start to finish. I think Brady Watson could give me a run for my money. I have seen his finshed scans on his website but not the inital work. So far, I am only aware of myself and one other person that is scanning and milling in under 1 hour. I am open to all challenges.
Anyway, my point is, we are only limited by our imaginations and our wallets. We are living in an incredible time right now. The technology to change just about anything is at our fingertips. Davids scanner looks pretty cool from what I saw and I do not think the file manipulation would be too hard for anyone with basic computer and CAD skill, however it does take time. Lots of time depending on level of detail. Artcam or Aspire can definately handle the cleanup detail.
Anyhow, looking forward to seeing more people posting there work in this area. More to come as I scan the chess set.