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Please, look at http://www.sawmillcreek.org/showthread.php?99125-How-to-find-correct-power&highlight=power

You can find correct power of laser for any material fast and easy.

Hi Johan!
You can find the finest 3D Grayscale Graphics at gantryco.com (Gantry Company)

Gold Method are making sharpening of picture.
Make some sharp before Engraver II and you will have the same result as G.M.

I use oil paint and solvent. I apply paint with soft white cloth and wait for 15 min. Then I wipe out paint so only very thin layer of paint lay on marble. After that I dry marble for 24 h. I repeat...

I use the same method as Bill.
Seal - Engrave - Paint - Seal.

I used two marble tile 12x12 inch.
Next time I will use one tile 24x12 inch.
I don't like the gap between tiles.

From Universal Inc. Trial version.

Ok, finally I've got a new version 3.19.11. I've tried to make picture: 30 cm x 60 cm, 250 dpi, Grayscale, 8-bit, format JPEG, file size 4696 KB.
I've opened that picture in 1Touch, choose material...

Hello, Scott!
Today I try to do one work with 1-Touch again. Image is 30x60 cm 250 dpi grayscale. File size is 6.6 MB.
Type of material - marble.
After I push button Apply Filter I saw bar with...

Nice job,Tor.
I can not do my work with 1-Touch photo because program has error. The program does not work with big picture. All the time I have message : Not enough memory. Is it not enough 2GB of...

Jackie,
you are great artist!

I use silicone sealant like this one:
http://www.elfy.com/products.htm#SILICONES

I have tried to cover marble with very thin layer of clear silicon hermetic, then I remove hermetic by a fabric and I wipe marble to "dry" shine.
After that I dry marble for 24 hours. Then I engrave...

Onur, it is not my work. :D
Ok, I am russian man, but now I am living in Egypt. More close to Turkey than Russia. :D:D
I think the price for that works very hight because this is moscow company. ...

Onur,
it is VERY VERY NICE work!

I have one question to you because it is very big problem for me. Marble is very heavy material.
How do you attach your works from marble on a wall? Do you use...

Jack it is really great!
What material you are using for that nice work?

Hello, Kyna!

1) Cable USB 6 ft. is too long. Use 3 ft (1m) cable. It is maximum for VL.
2) May be you have problem with motor of X axis.
3) VL has end sensor of X axis. You can find it under...

Well done, Dee!

What is the best picture? It is difficult to see details on small photo.
BW I do not use camera, I put my marble 30x30 cm in the scanner.
The lines of raster should be are...

Hello, Ross!
It mean you should find value of power that make best contrast, but not big hole in the wood. More power doesn't mean more contrast.
Also try to make black a little gray. Please, look...

http://www.sawmillcreek.org/attachment.php?attachmentid=106330&d=1231498686

Ross,
before using Photograv make that Curve. You can find that picture in user manual for Photograv.

Good luck!

Rodne is absolutely right, it is impossible to do photos on marble with resolution more than 250 dpi because in the field of white all shades will be lost and in a picture there will be white stains....

Darren,
XNView very good program, but it work very slowly with big files.
For example, if I want to engrave photo on marble which size is 30x30 cm I need to operate with file 40-100 mb size. Before...

Frank,
If your laser can engrave rubber stamp you may use that method too.
The idea is to change power from 0 to 100% using grey scale with brightness from white to black. So you can see what power...

Frank,
you can see my job on page http://www.sawmillcreek.org/showthread.php?t=99125&highlight=power

http://www.sawmillcreek.org/attachment.php?attachmentid=103705&d=1229369936

I don't use PhotoGrav, I always use PHOTOSHOP.
It is very usefull to put Grayscale on your photo. It helps you to understand what wrong with your picture and what to do if you want to correct it.

The Photograv changes a picture different ways for different materials. Other programs cannot do it. They will transform a picture in bitmap, but for what material? Only for to look on display?
...