LaserGRBL In-Depth Tutorial - Part 3 - Open, Manipulate & Append Image files
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- เผยแพร่เมื่อ 29 มิ.ย. 2024
- In this video, I will show you Part 3 of an in-depth Tutorial on LaserGRBL software.
Part 3 will show you how to work with image files, In particular, i will show you how to open, manipulate and append images, as well as save the image with its setting as Gcode to use with other software.
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Timestamp
00:00 Start
00:21 Foreword
01:01 Open an Image
01:09 Accepted Formats
01:54 Import Image Window - Interface Overview
03:14 Manipulate your image
08:23 Conversion Tools
08:41 Passthrough
09:16 Line to Line Tracing
12:11 Target Image - Set Power, Speed, Size and Position
15:25 Preview
15:58 Dithering
17:37 Vectorize
23:17 Center Line
24:31 Append Files + Trick
26:47 Save Image as Gcode
See Also:
LaserGRBL In-Depth Tutorial
Part 1 [Interface and Control Plus Engraving]: • LaserGRBL In Depth Tut...
Part 2 [Open, Append & Save gcode files + Hint]: • LaserGRBL In Depth Tut...
Machine Anatomy - Parts and Working Principle
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• Cut Large Sheets of Pl...
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How to cut Leather
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What is G-code
• What is G code
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• Can you Engrave Metals...
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Thanks for watching - วิทยาศาสตร์และเทคโนโลยี
Excellent tutorial. THANK YOU!
Thanks for the training, it worked perfect!
Awesome lesson, thank you!
THANK YOU SO MUCH!!
Thank you so much you videos have been very helpful! For a first time user!
How would you save them on top of one another? Say you needed 6 or 8 images?
And is the power setting Inkscape, and the setup box and the override all separate? So basically do you have 3 chances to crank the power? (Having trouble getting to engrave metal)
Thanks for your help!
Hello Gina Swann, thank you for your comment.
To save multiple images in one file you will first need to append them (under file > append files) paying attention to offset them in the final window so that each image goes in your wanted location then you can use the save option from file > quick save.
As for the power, you set the power for each individual image in the final window, so if you use different powers, this will be saved accordingly.
You can use the overrides once is all set up and also during operation if you wish to change speed or power, in a file with multiple power settings, the override will scale the power and the speed of each part accordingly.
I hope it helps.
when i upload, it says parameter not valid
I have a question. How do you clear a project that is finished,and start another project?
Thank you for video it's great tutorial.But I hawe problem with my ortur master 2, it wont turn laser down when job done, it came back home but still working about 30 sec, and it seems it working always on full power.I hope you can give me some advice to find what is couse of my problem.Thank you
Hello Eldin Pajić, thank you for your comment.
I haven't ever encountered such a problem, but we can try to troubleshoot it.
Is this a persistent problem, or does it happen from time to time, also does it happen always or does the machine use to work fine?
Have you been trying other software? Does this behaviour show just with images in LaserGRBL or with every type of format?
There could multiple reasons for that to happen some could be the wiring, some firmware/software-based:
- Try to check the current version of your firmware and install a new one if outdated, I just checked that the latest firmware for your machine is the 1.42 available here ortur.tech/latest-firmware/
If you have some problem updating the firmware I recently posted a video about it, it is based on the Aufero machine but is the same for Ortur | th-cam.com/video/VJeA-Tl3MCQ/w-d-xo.html
- If this problem shows up since your first run, ensure that all the wiring is properly connected, try to unplug and replug the cables.
Try to uninstall and re-install LaserGRBL.
Let me know
Ciao
my version doesn't have any of the import window you are showing, I click open file , chose a file and appear in the main window, the workstation size never the same with different image, I could not even move the image or even delete or do what ever with!! it seam to not have any option, very frustrating program that came with my creality laser. A real peace of junk.
Great lesson! I learned alot. Can you do a video on how to engrave " dog tags" stainless steel or aluminum? Thank you sir.
Hi, Aztec Warrior; thank you for your comment.
I can put this on my list of videos for the future, but It won't happen soon.
Ciao
I think you explain things very well, thank you. Could you show me how you got the Home button on the lower area next to the lock button? I have the same laser as you and have updated the firmware on it and GRBL.
Hello Steve Benner, thank you for your comment and compliments.
It is a configuration issue. if your machine has limiting switches (if is like mine it should NEJE Master 2S Plus) then go to Grbl > Grbl Configuration, this will launch the configuration window, scroll down and look for $22 it should say "Homing cycle enable" and set it to 1.
Now you should see your home button, when you click it the axes should move to home.
Pay attention to the direction of the movement, if it goes in the opposite direction in some of the axes simply click the limiting switches by hand to prevent it from hitting the frame or limit and overdriving (making a terrible noise), if this is the case just let me know so I can guide you on how to do correct it.
Ciao
@@MiddleRoomWorkshop Thank you, I do see the home button now. However, when I click it, it goes home and does not stop! I have to power off the laser to make it stop. Any suggestions? I also have another question if you don’t mind?
@@MiddleRoomWorkshop That is the issue, your right it makes a horrible noise. I had to turnoff the laser to get it to stop. What is the answer to making it stop on 0,0.?
Hello Steve Benner, thank you for your comment.
Is important for me to understand if the machine homes in the correct direction at least, and I know you told me that you have the same machine as I, but can you ensure yourself that you have the homing switches? if you do not know where to look I have a video showing the anatomy of the machine th-cam.com/video/2g8hH0WZmIg/w-d-xo.html
Is the laser module moving toward the main axes, and the small axes moving toward the side with the power cable?
if it does, then the issue is the parameter $22 "Soft limit Enable" check if it is correctly set to 1.
If the machine goes in the opposite direction somewhere then you need to reverse the homing direction by setting the right value in the parameter $23 "Homing direction invert", the value should be as follows:
0 = No inversion (the axes home correctly),
1 = Invert the X-axes (the small axes in your machine),
2 = Invert the Y-axes (the big axes in your machine),
3 = Invert both the X and Y axes.
Let me know how it goes.
Ciao
@@MiddleRoomWorkshop Thank you again for helping me out. When I click the home button it goes in the right direction everything goes towards the circuit board. But it seems like the switches are not turning the motor off. It just sits there in clicks and clicks and clicks to where I have to turn it off. Somehow the switches are not getting a message that they’re being pushed.
how do you determine what the exact power strength is at the lighter color?
Hello Carlie Novak, thank you for your comment.
Unfortunately, once the file is loaded there is no way in the interface to understand any parameter including the power.
The shading rendered on the canvas will give you an idea of which part is settled with a higher or lighter power, but that's pretty much all.
I hope it helps.
Ciao
Awesome vidz, is there a way to upload a txt or possibly a word document?
Hi Roberto Hernandez, thank you for your comment.
Unfortunately, LaserGRBL does not support these file formats. All you could do is convert the text into an image format like .png or .jpg, which is easier by screenshotting the test you like.
Once that is done, you cold either vectorized the image in LaserGRBL or simply prepare it as image engrave, eitherways you should get a clean result thanks to the contrast and crispness of the text.
Let me know how it goes.
Ciao
@@MiddleRoomWorkshop Awesome thank you so much!!
When you are sizing the image to engrave, are the numbers in millimeters or inches?
Hi, Rob Dunham; thank you for your feedback.
The units are in millimetres.
LaserGRBL is not meant to work in Inches, from what I can see.
The software should be unitless, meaning that the number you set is what is sent to the machine, the machine needs to know if the values its receiving are either in millimetres or inches, but it does not convert between them, that is to say that if you set a value to 1000mm and than decide to set the machine to inches, the controller of the machine reads 1000 no matter the units, and in this case that would yield to 1000 inches which you can see that is incorrect and way faster.
I could try explaining a workaround, but the software is really design in mm, therefore the only way around is to use some gcode units converters or some Excell conversion table.
I hope it helps
Ciao
I didn't realize that they were mm also and burned a hole in my table :-/
Okay... working with Rastor image... my engraver is continually giving me a Hard Limit. I cannot find anything that can explain this for me and how to fix. Using an AtomStack M40
Hi, rtalbott7; thank you for your comment.
The hard limit corresponds to the limiting switches installed on your machine and limits the travel distance of the axis.
If the machine has microswitches, this could be caused by a false contact while the machine moves; therefore, I recommend checking the connections.
If the machine does not have microswitches, therefore homing function, this function can be disabled in the GRBL configuration by setting the parameter $21 to 0.
Let me know
Ciao
@@MiddleRoomWorkshop Yes, I did end up setting back to ) from $21... Working now. It just surprised me as i had it running the day before... we're good!
hi, is thera wayto engrave and cut the image after?
Hi, DIY Family; thank you for your comment.
Yes, but in LaserGRBL is not as simple.
First, load and optimize the image you wish to engrave and try to get rid of engravings that extend beyond the margin that corresponds to the cutting you want to execute. For this, you may need to use some software to remove the background as needed.
Second, create the outline of the image you want to cut afterwards. You can do that with Inkscape, with particular attention to the dimensions. Normally I would load the image in Inkscape, set the same size in LaserGRBL and move the image to the origin of the canvas. I either draw a shape corresponding to the cutting line, trace an outline of the Image using the "Draw Bezier Curves" and then offset by some amount.
Once that is done, save the file and append it to LaserGRBL. LaserGRBL reads SVGs and will prompt you to set speed and power. If the dimension were respected, that should land precisely where you want.
Let me know how it goes.
Ciao
@@MiddleRoomWorkshop ok thanks i give ita try
I am having a hard time being able to get text in grbl in order to engrave
Hi, Angela Smith; thank you for your comment.
The only way to engrave text with fill (I guess that is what you are looking for) is to import the text part of your project as an image.
An alternative option is to use some workaround in Inkscape and import the whole project as svg. I showed this trick in Part 4 th-cam.com/video/ufGtD3_NnFM/w-d-xo.html.
Let me know how it goes.
Ciao
I have a picture of my dog sitting on grass. I want to only laser engrave my dog. How do I erase all the background grass?
Hi, Harvey N; thank you for your comment.
The preparation of the image varies a lot depending on the actual image, contrasts and details.
You must play around with the parameters to separate the fore and the background.
However, a raster editing tool may be necessary for your image.
You may try using Paint or Inkscape clipping tools if the image is not complex.
I hope it helps
@@MiddleRoomWorkshop Thanks
How do you cut with the lazer?
Hi Javier Padilla Rodriguez, thank you for your comment.
Do you mean the power?
There is no option to select between engraving and cutting, it all depends on the parameters, the higher the power the deeper it goes, similarly the lower the speed the deeper it goes.
You need to test with your specific material and different power and speed settings to find the correct spot.
If you tell me what laser module you are using I can try to help with the parameters
Ciao
Hi,
Can you help with something similar please?
I would like to produce a picture frame with an image (centered) cut out the middle. So the frame is 203x203mm and the image I need to place inside the frame is a scan of the actual artwork.
I can get the frame cut to the correct size 203x203 but when I try place the image inside and press send it scales the image so it doesn’t fit inside the frame anymore? I’ve spent 3 days on this so going slightly mad 😂😅.
Can you help please?
To add, this is cutting out the image, no engraving here.
@@chrisbutton9115 are you autocropping the image??? if you are, I think it will change the size of the image.