Fiber Laser FAIL!

I bought my fiber laser an entire year ago and can count the amount of times Ive used it on one hand. Lately Ive become very interested in rounding out my laser skills and tackling the fiber head on. I bought a couple of brass knives to test out with some AI generated graphics and it went.....not...great..
-STUFF FROM THIS VIDEO-
OMG 60w JPT MOPA Fiber Laser: www.omglaser.c...
AC Infinity Cloudline S6: amzn.to/3Tv1tAx
XY 2-Axis Table: amzn.to/4c6Dizo
Higo No Kami Brass Knives: amzn.to/3v2mVmP
Lightburn: lightburnsoftw...
Midjourney AI Software: www.midjourney...
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[@onjofilms]

#6 Don't do tests on $30 knives.

[@justinlaser]

LOL. Very true.

[@matchstickdesignco]

Take a top down photo of the item with a ruler next to it. Drop the photo into Illustrator. Draw a one inch square. Resize the image until one inch on the ruler matches the one inch square. Now you have a perfectly scaled image to work with.

[@Vintauri]

It’s good to show the failures as well as the successes. We often learn more from when things don’t go exactly right than if it’s all perfect. Thanks for sharing the process!

[@justinlaser]

Thanks man!!

[@matthysloedolff]

I feel the first "fail" doesn't look bad and I would be happy with that. Thanks for showing us that even if you have a lot of experience, occasionally fails happen. I also feel like I learn something new from each of your videos. Thanks for the video, Justin!

[@justinlaser]

Appreciate it! I really like the first result. 2nd wouldnt be as bad if I didnt mess up the alignment.

[@dian3145]

Maybe the brass composition was significantly different than your first test 🤔 Very cool overall design!!

[@justinlaser]

Might have been didnt think of that. Thanks!

[@guitarman...]

Many thanks for the video Justin, new subscriber here. I would love to see a video of the entire step by step process of how you got the graphics to all load up and align on the outline of the knife. You said lightburn did not treat the graphics the way you expected, so what exactly did you expect and what did lightburn do and how did you get around it. Thanks.

[@thetinkerverse]

Thank you for posting a "failure" video. Every engraving is an opportunity for a different result and it highlights how many variables are at play. Sometimes it can be as little as 1mm out of focus while other times we completely forgot a layer or set something wrong no matter how many times we saved that setting in the materials library. All that said, keep up the great work. I'm curious if a little clean up and polish wouldn't make that black side pop a bit more and you can offer it up as a yin-yang with a light and dark side :)

[@evilutionltd]

I think you need to adjust your red laser alignment for a start. If you laser something and the colour or depth is wrong, don't move the item. Change your settings and run it again.

[@halbertwalston]

At 4:32 you're setting the Black engrave pass to a line interval of .0025 rather than .025 like the other passes. I'm running a 60W JPT and my brass black is set to the same line interval as all of my other brass settings. I'd recommend a test (on a scrap brass piece first) with a modified line interval. Of course, if you're running a test cycle anyway, you can also just use Lightburn's material test grid to dial it in. Good luck!

[@franzghz1979]

Yes, I so know the feeling ! Same settings and all and one part come different for nobody knows what reason... I even triple check sometimes but... Anyway the result isn't so bad and great video !!! Keep on !

[@justinlaser]

Thanks! I might try to paint fill the 2nd side to salvage it.

[@patriotic_salt]

Needed some brass test pieces ...Good project very cool graphic to engrave

[@KeithEtheredge87]

Thanks for sharing your failures! I wish more people did that. Great work looking at the process

[@VIPER35GP]

Really stupid question, couldn't you sand the design off, polish the brass and retry?

[@justinlaser]

Probably could. Especially on the first side. The metal is thin but there should be enough to get a blank canvas again.

[@swflscratcher5893]

Anyone got settings for cutting acrylic on a fiber laser?

[@RedPillSurvival]

What was the actual time to engrave each side?

[@swflscratcher5893]

Any have settings for cutting acrylic on a fiber laser?

[@lexn321]

You don't

[@patriotic_salt]

Thank you for the "fail" video... most "pros" don't want to show their "oofs" but good lesson and design wasn't bright but still cool though