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Old 15-12-2010, 11:36   #1
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Is There Such a Tool ?

I am looking for a tool that essentially replaces the cardboard cut-out.

What I am thinking of is something in essence an electronic version of the tick stick. Some device that could be placed on a hull and using laser distancing would measure the distances and angles for an irregular surface and store these measurements on a chip that could then be used to interface with a CAD program to either print out a template or if you happen to have a CAD cutter, cut the piece.

Has anyone heard of such a device? If so where? what is it called? how much is it? etc etc etc.

thanks SK
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Old 15-12-2010, 11:44   #2
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Try searching for 3D laser scanner.

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Old 15-12-2010, 11:47   #3
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There is an engineering process called DSSP or reverse engineering that does almost exactly what you need. Its used by consumer product folks, to autoracing to NASA (scans shuttle in space to see if there are tile imperfections).

Part --> Laser Point Cloud --> CAD --> NC or Comparison

Check out http://en.wikipedia.org/wiki/DSSP_(imaging)
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Old 15-12-2010, 11:49   #4
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Laser Modeling?

AVEVA Laser Model Interface - Capture as-built design

FARO International Singapore - Laser modelling of high speed hulls with FARO
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Old 15-12-2010, 18:16   #5
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There are CMM (coordinate measuring machines) that are big enough to measure most cruising boats. In the general category, you have contact ones and non contact (optical, laser, ect). These input directly into CAD.

You could also take the lines in the traditional way and then input them into a 3D sketch in a CAD program and then loft the hull from there.
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Old 15-12-2010, 20:16   #6
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low tech,but very exact if you need to make a profile cut for a bulkhead or funny shape.
tape off either side of profile.
use pva release wax to coat surface for profiling
take fiberglass tape ,woven rovings.
poylester resin,make a hot mix 4-6% catalyst
coat tape against profile.
will go off in 15-20 mins
support top and bottom depending on size
will give an exact reverse profile
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Old 16-12-2010, 02:02   #7
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Smart move atoll.

LIDAR mapping is the macroscopic version, it's pretty cool.
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Old 16-12-2010, 04:17   #8
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Try This



Wouldn't we all want one of these to replicate all out strange bits

Cheers
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Old 16-12-2010, 04:55   #9
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Wouldn't we all want one of these to replicate all out strange bits

Cheers
Just think, in another 10 years we'll be able to buy one of these for $499.00 and everyone will have one in their tool box...cool tool!
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Old 16-12-2010, 05:18   #10
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I'm still on Cardboard - usually bits of cardboard stapled / sticky taped together (I keep cutting it, and it's still not long enough ).

And not what OP was after, but a Flexible Curve:-



This one is 40 inches. Merchandise & Quilts


with 2 dimensions might be easier to get the shape into something more clever (than me )........or just trace it onto the wood
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Old 16-12-2010, 05:39   #11
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WOW,, I wonder how much Lenno cost?

Cheers
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Old 16-12-2010, 05:44   #12
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Wouldn't we all want one of these to replicate all out strange bits

Cheers
Wouldn't it be nice if some enterprising person on this forum bought one of these and offered part replication services for fellow sailors at reasonable fees. Oh yeah, this is America - home of the brave and land of the greedy. Expect to pay out the wazoo when your local machine shop gets one of these.
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Old 27-12-2010, 19:11   #13
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I've heard good things about this ETemplate System - Developer of ETemplate Photo > Home from guys in my industry (Architectural Woodwork).
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Old 27-12-2010, 19:24   #14
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From there I would imagine that you could have a negative sand mold cast then have the metal poured for many of those parts.
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Old 27-12-2010, 20:52   #15
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will it replicate a SAILING PARTNER???/
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