What happens when you let a knife knut play with a $70k laser scanner...

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SpyderPhreak
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What happens when you let a knife knut play with a $70k laser scanner...

Postby SpyderPhreak » Fri Feb 02, 2018 6:28 pm

He scans his current EDC!!! :cool: :p A Maxamet PM2 in this case. :D


If anyone wonders why/how the counterfeits can come so close, well this is just one of many reasons. This particular portable laser scanner is good to just 0.002”!!! That’s almost within machine tolerance of many CNC’s.

I didn’t spray my knife down with the powder “developer” spray, so the reflective metal surfaces didn’t come out as nearly as good as they could have if I had, but they’re still pretty darn good all things considered. This laser scan consists of nearly 100,000 small triangles!


Screen grab images:

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Hope you enjoyed! Pretty cool tech, but kind of scary at the same time. :spyder:

PS - Cross-posted HERE at BF earlier today. Pic quality might be better there, as tinypic may have reduced these images.
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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby jabba359 » Fri Feb 02, 2018 7:50 pm

Nice! I need to scan one of my Mules so that I can CNC accurate handles for it. I have lots of design ideas, but need a CAD model to work off of to get the holes and outline (and their relative positions) just right. Even a 2D outline with hole placements would work, as I dunt need any thickness info for what I'm doing. So far I've done all my Mules by hand, but some designs I have in mind would need a CNC to accomplish. Maybe I'll look into having somebody scan one for me.
-Kyle

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby xceptnl » Fri Feb 02, 2018 9:47 pm

That's terrific technology, i could have a field day with about 8 hours and unrestricted access to one of these.
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sal wrote: .... even today, we design a knife from the edge out!
*Landon*

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby ConspicuousConsumption » Sat Feb 03, 2018 12:04 am

Pic of the machine?? Too cool
The first time I saw a Spyderco was the early 90s at a knife shop in a mall. I can still see the SpydieHoles through that glass display cabinet. My parents wouldn't buy any of them for me... so now I buy them all. :spyder:

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby SpyderPhreak » Sat Feb 03, 2018 12:11 am

It’s called a Creaform Handyscan 700.

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby polyhexamethyl » Sun Feb 04, 2018 2:43 pm

Neat scan!
awesome machine!
i would like to own one :eek: :cool:

@ jabba: just throw a mule in a regular scanner and then trace the lines with a CAD software
- the results are fairly accurate

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby garret » Mon Feb 05, 2018 4:38 pm

Awesome technology!

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby ronT2 » Mon Feb 05, 2018 5:15 pm

Interesting how it wouldn't pick up the pivot screw on the left side. Reflection?
My EDC rotation: Kapara, Chaparral CF, Mantra, Sage 1, Sage 5, Dice, Domino, Gayle Bradley 2, PakkaDelica, Native CFF

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby Knife Knut » Mon Feb 05, 2018 9:27 pm

ronT2 wrote:Interesting how it wouldn't pick up the pivot screw on the left side. Reflection?
I am guessing he skipped scanning from one angle, otherwise it would have shown up properly.

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby jabba359 » Tue Feb 06, 2018 2:07 am

polyhexamethyl wrote:@ jabba: just throw a mule in a regular scanner and then trace the lines with a CAD software
- the results are fairly accurate
Yeah, I tried it on my scanner a couple years ago, but it's an old one and came out way off for some reason.
-Kyle

:spyder:
Latest arrivals: DLC M4 Shaman, Opus, Q Ball

http://www.spydiewiki.com

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby SpyderPhreak » Wed Feb 07, 2018 9:29 am

ronT2 wrote:Interesting how it wouldn't pick up the pivot screw on the left side. Reflection?
Apologies I missed your reply. Good eye! :D

Actually, what happened there is that due to being a highly reflective, flat, round surface, the scanner mistakenly picked that spot up as a “location target”. Location targets are these ~3/8” adhesive stickers with ~1/4” reflective dots that you apply to a model (or on the desk surface, as I did here) to help the scanner locate itself relative to the scanned part in 3D space.

For some reason, when I tried to tell the software that that spot wasn’t a target, it deleted the entire surface for some reason, and I was left with a 3/8” hole. However, it deleted the target fine on the clip side of the knife. Who knows, probably user error on my part due to being new with the scanner. :spyder:
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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby ronT2 » Wed Feb 07, 2018 7:22 pm

Thanks for the info. It's hard to believe it picked all that up relative to a target on a desk next to it, pretty amazing stuff.
My EDC rotation: Kapara, Chaparral CF, Mantra, Sage 1, Sage 5, Dice, Domino, Gayle Bradley 2, PakkaDelica, Native CFF

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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby SpyderPhreak » Wed Feb 07, 2018 8:32 pm

It’s pretty cool how well it works!!! Notice how it even picked up the Spyderco Bug on the pocket clip? :D (Did I mention, this scanner was purchased to laser scan a spacecraft... :eek: :cool: )

Ideally, the targets are placed on the object, which is large enough that the targets are basically irrelevant. For smaller objects, like this pocket knife, you place the targets on a fixed surface (or surfaces, like the inside corner of a box) around the object. The scanner likes to see 4-6 targets minimum at all times for optimal results. :spyder:
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Re: What happens when you let a knife knut play with a $70k laser scanner...

Postby MacLaren » Wed Feb 07, 2018 8:42 pm

Wow. Very neat!!


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