Awesome looks great. Just need to enclose the back. Very clean finish.
Interestingly I’ve loaded a Batman image that’s mostly white into PEP5 Demo and Image2Gcode to see how they handle it.
I made it 12x12 (304mmx304mm) at 0.1mm resolution and the PEP5 files is 1.05MB…the I2G file is 187MB!!! Am I doing it wrong? I’m pretty sure I have the same settings in each, or is this an indication of skipping white space? Is the difference really this significant???
I could shrink the whitespace considerably but made the image 12x12 so it’d fill the whole space of one of those mirror tiles and I could place my home at 0,0.
I’ve attached the actual file if anyone want’s to try it and see.
I thought I commented on this already… Guess not. But anyways that sounds about right. I2G is going to write code for every pixel and PEP5 is going to ignore a very large amount of the picture. I think it is also more efficient in how it writes the code. I have experienced this kinda thing as well.
Here is my latest creation on a mirror. This was my first attempt. Turned out pretty good. I think I might need to turn the power down a little bit to get more color depth.
Here are a couple more attempts at images. This tiger was attempt #2 and the wolf attempt #3. The wolf is only 2" square. And they say the 6 watt nubm44 cannot do high detail.
Here are a couple more of the back lighting (inverted) engraves. Quality is slowly getting better as I dial in the laser settings.
Jason you are the man. Thanks for the tutorial. My wife wants to kill me as the basement now smells like burning nut hair. This is just a single pass. When you do a double pass to fully remove the backing are you wiping it down with rubbing alcohol in between burns?
Neil
Nice work. I have my laser segregated from the rest of the air in the house with a dedicated exhaust fan… it smells bad lol.
I ask again for help.
I can not do anything …
I attach the screen of sw Image2Gcode, I can not understand why gcode not change the laser intensity …
I did 1000 tests but nothing …
The minimum value 110 because I set lower than 110 my 5.5 watt laser marks the pannello…non not even know why.
I also tried to make the lines with 100 90 80% etc.
but no result.
I attach the image
Thank you
Manuel
Things I notice…
Your resolution is really high… 0.5mm i use 0.1 to 0.15
Your minimum power really needs to be 0
I would dump the G28 at the beginning and set your start prior to running your job.
Your speed seems pretty quick. Slow it to 1800 to start I would say.
What is your last pic (raster.png) supposed to be?
Thanks for your reply @Jason I realized that “RASTER” picture because I wanted to make 10 simple lines in order to understand the laser intensity …
The minimum so I have to keep it at 0?
then it means that there is a problem if from 0 to 100 does not affect?
Thank you
(Sorry for my bad english)
if you had your minimum at 100… The minimum intensity it would fire at is about ~35%. Even if there it is not supposed to be firing. Not sure if that makes sense. 0 ensure the laser turns off completely for areas that are not supposed to be engraved.
@Jason I agree that it is unusual …
I wonder where I maybe wrong …
Following the pdf here on the forum I changed the pin of the fan and connected the cable ttl …
the laser power is directly taken from Ramps.1.4 and S10 M106 and M107 controls respond correctly …
In lower values below 100 … the laser is blue and does nulla…ben visible but not engrave or cut - let’s say always “pointing mode / positioning”
I do not know if I am told …
Hopefully I can make a video …
May I ask a favor?
Riuciresti gcode to pass me a drawing of a small simple?
Maybe I have a problem in creating gcode …
Attached is a quick test that does a 10cm x 10cm logo. It is full engrave no shading. So that means laser will either be 0 (off) or full power (255). Speed is set to 1800 mm/min
Laser-Test.zip (1.99 MB)
thank you so much.
That’s when I tried to generate the gcode with Image2gcode was not.
In this we see the change of laser intensity…why?
I knew everything was 255? or am I wrong?
[....]
G1 F1800
(Begin Left Angle )
M03
M107
G1 X10.3 Y17.7
M106 S0.0
G1 X10.4 Y17.6
M106 S8.0
G1 X10.5 Y17.5
M106 S0.0
G1 X11.9 Y16.1
M106 S0.0
G1 X12 Y16
M106 S1.0
G1 X12.1 Y15.9
M106 S0.0
G1 X12.7 Y15.3
M106 S0.0
G1 X12.8 Y15.2
M106 S13.0
[....]
Today I try the file you sent me 
S0.0 is blank space. That is expected.
I’m sorry but I did not understand the last post. 
does not work. when I start the code RepetierHost gives me a lot of mistakes …
`16:43:53.898 : Error:checksum mismatch, Last Line: 109
16:43:53.898 : Resend:110
16:43:53.898 : Error:Unknown command: “2”
16:43:53.898 : Error:Line Number is not Last Line Number+1, Last Line: 109
16:43:53.898 : Resend:110
16:43:53.914 : Error:No Line Number with checksum, Last Line: 109
16:43:53.914 : Error:Line Number is not Last Line Number+1, Last Line: 109
16:43:53.914 : Resend:110