Most of the projects here are open source and come with cut files, so bonding time with your laser cutter will be a bit less stressful. high power laser pointer are already fairly common tools in architecture schools and firms, but in the day-to-day practicality of churning out scale models it is easy to overlook the fun side.
http://www.htpow.com/high-powered-30000mw-blue-laserpointer-445nm-worlds-brightest-p-1027.html
There actually are factories in China cranking out laser tables that appear to be just a step up from consumer grade. Sold at prices with fewer digits. Wondering if its going to become one of those deals where the low-performance with yet lower-cost machines the established companies apparently don't want to make because there's less profit in them, turn out to meet 90% of the market needs, and the scrappy companies that start at the low end turn the market upside down?
http://www.htpow.com/300mw-green-high-power-laser-pointer-waterproof-adjustable-holster-p-1038.html
Laser cutting machine are widely used in many fields including advertisement, construction model making. It is professional green laser pointer or engraver/etcher for no-metal material like wood, plastic, fabric, ceramic products, cloth, leather, marble, paper, rubber, double plate, cattle horn, density board, and can also make marking on Metal material such as steel, Aluminum, metal with Zin plating or coated metal material.
http://www.htpow.com/highquality-500mw-burning-waterproof-red-laser-pointer-p-1067.html
The lens of the eye doesn’t focus in the infrared spectrum, so it diverges more rather than collimating the laser point further onto your retina. A Class IIIb laser is from 5-500mw and can blind in 1/100 of a second regardless of frequency.There might be a combination of circumstances that might allow exposure to the output of a 40 watt laser of any frequency that won’t blind your unprotected eyes, but it would be a gamble. Ok, that is a direct hit, but.

http://www.htpow.com/200mw-green-laser-pointer-pen-532nm-belong-to-cass-llla-p-1003.html

This video shows you how easy it is to find the suitable video very quickly. Besides, you can also enter your search keyword into the search box at the right side next to it.That’s why visible spectrum Red Laser Pointer are technically more dangerous.Class IV lasers, above 500mw can blind you unless filtered. Period. Use our drop down menu above the video indication in order to choose a preselection with regard to applications (markets), the material that should be processed, the favoured processing mode or our eurolaser products.

Laser technology is a miracle! In foreign countries lasers are used almost everywhere from cutting paper packing to complex gears.Laser cutting is great for modding, it precisely and accurately cut any kind of patterns. The beam is focused on cutting surface and air stream (or gas, depending from material) blows off the melt.Laser can cut almost all metals, all kinds of plastics, acryl, polycarbonate, wood, plywood and even glass (it’s not transparent for all rays).

The 200mw Laser Pen process is suitable for cutting mild steel from gauge thickness up to about 1.25 inch.Here is the picture of laser cutting machine.The principle of laser cutting is easy, look at the picture. Beyond the 1 inch barrier, everything has to be just right to make it work reliably, including the material (laser grade steel), gas purity, nozzle condition, and beam quality. 
http://www.songtexte.com/forum/liebe-style/off-topic/the-development-of-high-power-laser-pointer-2bd6bc0e

something about laser pointers