Scanning really complex parts still doesn't work well when there are occlusions (pretty common). The only way to accurately scan a 3D (non-living) part is by industrial CT scanner, or to destroy the part by sectioning it. Actually, if you only have to do it once or twice a year, might be a lot cheaper to contract it out (then deduct it from your taxes) - at least for now. Not sure how much a CT scan costs. Probably not much for small parts (since it doesn't take long). These can go down to almost any resolution you want (since radiation exposure doesn't matter).
- George
From: Bathsheba <b_at_bathsheba.com>
To: sachsg_at_sbcglobal.net
Sent: Monday, October 3, 2016 4:32 PM
Subject: [rp-ml] Small-scale accurate scanner
Hello rpml-brain. I wish I had a scanner for small (<10cm) things at
high (.1mm) accuracy, but I don't have much (<$1000) budget. Convex
only is OK, I can do without undercuts, but accuracy is important: .5mm
won't do.
The closest I've seen is stuff like this:
https://www.kickstarter.com/projects/eora/eora-3d-high-precision-3d-scanning-on-your-smartph
But there's many a slip twixt the kick and the start, and while several
of these have been launched, I don't see one in my budget that's
actually shipping. And most of them work on regular light, not a laser,
which makes me think they'll give blog-quality rather than CAD-quality
scans.
Anyone know of something that exists?
PS yeah it would be really nice if messages on this list had the list
address somewhere. Right now it doesn't appear anywhere that
Thunderbird can display, and I had to look up an old message to write this.
Thanks,
-Bathsheba
--
Bathsheba Grossman Bathsheba Sculpture LLC
http://bathsheba.com Free Forms
http://crystalprotein.com Crystal Proteins
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Received on Tue Oct 04 2016 - 23:27:29 EEST