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Speaking of disclaimers, don't use the yellow stuff, urethane foam or isocyanurate. Cyanide gas will be given off, nasty yellow smoke.

A guy at unitednuclear.com providing science supplies, has a set of plans for $20.00 and $25.00. For 20 and 120 pound thrust models.

http://www.unitednuclear.com/jetplans.htm

Datacad (www.datacad.com) has a "Dropmesh" command in the 3d polygon menu. It drops a user-defined grid on a set of points or lines. A little like dropping a wet blanket on a bunch of objects. It...

Am not sure how you define localization.

I'm thinking that with the proper tube it might project a beam of about an eighth of an inch in diameter. Part of the sensor uses an intregal light sensor...

Found something at the Mark III Robot Store that might work for CNC, and is cheap.

http://www.junun.org/MarkIII/Info.jsp?item=30

"Sharp GP2D02 Distance Measuring Sensor , $12.50
Infrared...

In a more general way, people like brass because it looks like gold but is much cheaper. It is weather resistant, and while it tarnishes or aquires a patina to a brownish color, that color is not...

Some modern surveying equipment will provide point clouds.

As a profession, they are not interested too much in spending money to provide open source software. They look at software as a business...

The Disto Plus is apparently $699.00 list, but getting the data out of it through Bluetooth might be a chore. Each data point would takes .5 to about 4 seconds for the machine to aquire. Getting a...

Leica has a laser rangefinder, not terribly accurate, 1.5 or 3mm accuracy, new model has bluetooth access apparently. I got interested in this as it appies to measuring architecture, but it may have...