Laser zigzags while cutting curves using LightBurn

Hi, I am using free trial LightBurn and I like it very much. However, when I try to cut shapes like a simple circle, laser head start to make small zigzags in a shape of drawn circle. I have RdWorks also installed on my computer and the latest version works good and cuts all the curves as it supposed to.

Any clue what it is wrong? Thank you.

Your description sounds like this applies to you:

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I have read this thread before but I have downloaded trial version from https://lightburnsoftware.com/ official page. There was the same problem with RdWorks before that latest version came out, so I am told by the supplier of the laser machine.

Have you previously downloaded from an unofficial site? Meaning could you have either multiple versions installed?

Can you take a full screenshot of LightBurn showing the design and then a photo of the resulting burn?

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Ok, this will look very lame. I have laser machine about a week now and I have spent hours of searching what is wrong, but now when you said to try to cut, the cut is perfect.

Every time when I tried to “cut” the circle I have always test it with the Frame button first (I love that feature). Because of the problem winch occurred after pressing the Frame button I have never try to actually Run it.

So after I press Frame button head starts to zigzag as i have described, but when I press the Run button, laser do the job without any problems.

Thank you for your time.

If you’re using the rubberband framing option on Ruida controllers this will happen. Apparently there’s no mechanism to control the Ruida with smooth motion for framing.

Glad it’s working for you.

That’s fine I will use Frame instead, most importantly the cutting works and I will purchase LightBurn when my trail expire.

Thank you for fast response and to help me understand rubber band framing option.

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