Lead-in//out not respecting selection

Hi All,

I feel like I have been fighting with this since I learned about Lead-in/out…
Why do some objects just not respect the start location I have set for it and the software selects what looks like a random point, completely ignoring what I have chosen? I can see the point I have chosen with the blue arrow in the main view with the “lead-in” selector tool selected, but when I go to “preview” the indicated start/end point is COMPLETELY different. It doesn’t seem to matter if it is an inside or outside shape.

The only “solutions” I have found is that if the item is a rectangle or some other simple shape, I can rebuild the shape and that will often fix it, replace it with another object with the same shape that DOES seem to be working correctly (which makes this even MORE bizarre as an object with the exact same shape right next to it follows the rules just fine), or rearrange the objects so the misplaced lead-in/outs no longer interfere with other object (this doesn’t always work as this sometimes interferes with the object itself).

I looked through the forums here and was not able to find anyone with having this same problem. Am I just doing something wrong? Can I possibly be the only person seeing this behavior?

Please help
leadin1

Thanks,
Gary

Perhaps at cross-purposes?

Have you enabled Choose best starting point in the Optimization settings (in the Laser window)? That, maybe in combination with Choose corners may be overriding your chosen starting points:

Turn those off and see if the situation improves …

Thanks Ed,

So, a few things here. I originally thought you were talking about “Optimize Cut Path”, but then noticed the “Optimized Settings”. Sooo, any idea why my “Optimized Settings” is greyed out? Is there a specific situation that turns this on?

image

BTW, I did turn off “Optimize Cut Path” and it did change the start locations, but not to the location I chose.


very strange and still wrong.

Gary

Flip the Optimize Cut Path switch on, which will enable the Customization Settings dropdown. Then you can pick the optimizations you want (or not).

Perhaps you’re in the midst of a sequence gotcha: you set your preferred starting points, the LightBurn optimization picked different points that overrode yours, and LB’s choices remain in effect.

With Optimize Cut Path turned on and the starting point optimizations turned off, set your stating points again, then see what happens.

Thanks for the clarification on the “Optimization” settings - likely helpful in the future, but doesn’t seem to help me here.

but still this:

image

This really makes NO sense to me!! What the heck am I doing wrong or why isn’t LB listening to me!!??

This is very frustrating

Gary

Thinking of it as a learning opportunity, rather than the entire universe conspiring to drive you mad, sometimes helps. Well, that’s what they tell me, anyhow.

At this point, uploading the LightBurn file so folks here can take a look at it will be helpful. Sometimes the most obvious thing is the hardest to see (and the easiest to fix) with the file in hand.

If it’s a proprietary design, you can email it to the LightBurn support folks (support@lightburnsoftware.com) with a link to this discussion so they can check it out.

Thanks Ed. The file is actually someone else’s file, so I need to check with them to make sure they are ok with me posting it. The files is technically already posted publicly, but I want to check in with them.

Thanks,
Gary

Ensure that when you use lead-in/out that it has the room to do it.

If the objects are too close it doesn’t work as you might expect.

So pay attention to the angle and length settings.

Good luck

:smile_cat:

This doesn’t really make sense. As the images show, the automated locations are actually closer to other lines than the locations that I want to specify.

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