LightBurn Tutorial 07 – Basics #3: Trace Image and Weld

The Lightburn Software Series

The Lightburn Software is probably the best generic laser cutting software available (I use it for almost all of my laser work). This series has tutorials, hints and tips as well as the occasional speed comparisons between it and RDWorks. In this Tutorial Session, we are shown how to trace an image and weld objectsMy thanks to the team at Lightburn for allowing me to embed their videos.

Contents

LightBurn Basics is a new set of short tutorials covering a focused set of topics for new users. This video covers the use of the Trace Image feature, and walks you through using the weld tool.

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Lightburn Trace Image of a Picture
Lightburn Trace Image of a Picture

Transcript for LightBurn Tutorial Basics – Trace Image and Weld

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0:01hey guys in this tutorial we’re going to

0:04go over the image trace function in

0:07light burn and also the weld function so

0:11to get started I’m going to focus first

0:15on the image trace so we’ll go to import

0:19and I’m gonna go ahead and bring in this

0:22little owl cartoon here

0:24now notice he’s full of colors and when

0:30that comes in he’s various levels of

0:33gray this is going to do some

0:36interesting things with the image trace

0:38tool that I wanted to demonstrate so

0:42highlight him and we’ll go to tools and

0:47trace image now when we trace image it’s

0:52looking at the difference between light

0:55and dark – I draw where our threshold is

1:01threshold is the operation that it’s

1:03doing and I want to get all of this

1:08black outline here but the dark gray is

1:11really really messing with it notice how

1:14it’s picking up the inner is on the

1:15light gray but as it gets to the dark

1:17gray it can’t really differentiate

1:19between the black and the dark gray so

1:23we can go up and as we go up we can see

1:29that it starts to really highlight

1:32different areas now if I want to get a

1:37better view of this I can click the fade

1:41image and that will lighten up the image

1:45so that I can see the purple lines and

1:48the purple lines are what our vectors

1:50are actually going to turn out to be and

1:52we can pan and zoom in here just like we

1:55could in normal light burn so we can

1:58really zoom in and see make sure that

Transcript for LightBurn Tutorial Basics – Trace Image and Weld (Cont…)

2:00we’re getting the right image and then

2:03if you want to see the actual vector

2:05points that are coming in we can click

2:09the show points and and see all of those

2:15so I think a threshold of 200 looks

2:19pretty good and if it’s getting too

2:25sharp say you’ve got a really really

2:27Jaggi image we can crank the smoothness

2:29and it will follow the curves a little

2:36less and really smooth out the lines as

2:41we go down it starts to get more and

2:43more Jaggi so I think a smoothness

2:49around one is pretty much where I

2:51usually like to stay we’ll click one

2:57alright so we’ll click OK and it’s it’s

3:01difficult to see what actually came in

3:03but you can definitely tell something

3:05happened because now we have an image

3:06and a scan layer or before we just had

3:10the image layer so if you click it had

3:14all the geometry that we created with

3:18the trace image function highlighted

3:20already so now you can see we’ve got

3:22these vectors as well as the owl now

3:28normally I’ll just click the raster

3:30image that we brought in and delete it

3:32because I’m done with it and now we have

3:35this really nice vector art that we can

3:38edit we can move around or you know we

3:42can cut this out or we can just scan the

3:47outlines so if I wanted to do a preview

3:51real quick to see how he’s going to look

3:53I can click preview and now we see that

Transcript for LightBurn Tutorial Basics – Trace Image and Weld (Cont…)

4:03it’s going to edge all of the Interior

4:09here and we’re gonna get a really nice

4:12crisp outline of what that owl looks

4:14like by default

4:17laybourne has the show traversal moves

4:19turned on that’s all this red in here so

4:22if I turn those off we can see

4:24specifically what’s going to happen

4:27and the slider bar is pretty handy it’ll

4:31show us how he’s going to be created so

4:35in my scan settings I have a set to scan

4:40from the bottom up and we’ll go over

4:42that in a later video it also gives me a

4:45time estimate based on my power and

4:48speed settings which is pretty nice so

4:53click OK

4:54now I want to show you guys one other

4:57thing that I think is really neat and

4:59shows some of the power that you can

5:01utilize with this tool so delete the owl

5:04and we’ll bring in some other geometry

5:08that I downloaded and these are a couple

5:12animal silhouettes that I found on the

5:14Internet

5:17so we have a walrus silhouette and a

5:19butterfly silhouette this is kind of

5:22goofy this is something that I have done

5:25with Girl Scouts and younger kids as a

5:29workshop but now we can do this directly

5:32in a laser software and I think that’s

5:34pretty powerful so first I’m going to

5:37select my walrus silhouette and trace

5:42the image this is a pretty terrible

5:45silhouette this is one of those we’re

5:48turning up or down the smoothness will

5:51really change how it follows the lines

5:57but this is good enough for our purposes

Transcript for LightBurn Tutorial Basics – Trace Image and Weld (Cont…)

6:04so we’ll get rid of the raster image and

6:08again with the butterfly this is a

6:12pretty terrible image but light burn it

6:15does a really excellent job of following

6:18this really really rough edge here and

6:22if we wanted to get this a little

6:24sharper I can turn the smooth this way

6:27down and it starts to turn into a

6:32sharper corner click OK get rid of a

6:38raster image

6:39and now what I’m going to do is I’m

6:43going to use the weld tool to combine

6:45these two and make a wallet fly and yeah

6:49this is very silly but fun so the first

6:55thing we need to do is we need to make

6:56these guys a little closer in size to

6:59each other so I’m gonna lock the aspect

7:01ratio and we’ll turn this guy up to 100

7:05millimeters and I think this size works

7:13for right now and I’m gonna drag him

7:16over so that he’s about where I want him

7:24I want the wings to show up and I want a

7:28walrus teeth to show up and the Waller

7:29his tail but I don’t really want the

7:33butterfly body to cut off the walrus

7:36tail down here and I want more of the

7:38butterflies antennae to come out so I’m

7:40gonna turn off the aspect lock and use

7:46the warp tools to and rotate this guy

7:53and position him to be a little more

7:59where I want him to be

Transcript for LightBurn Tutorial Basics – Trace Image and Weld (Cont…)

8:09track him around

8:10[Music]

8:26and as you’re making these Griffins is

8:30what we called them in the workshop it

8:32takes a little bit of playing to get

8:33exactly what you want but that’s half

8:37the fun I think that’s pretty close so

8:41now I will use ctrl a to highlight

8:45everything in the drawing and then the

8:48weld function in the tool bar and voix I

8:54have my Waller fly and basically what

8:57this does is it combines all of the

8:59outer lines and eliminates all all of

9:02the inner lines so if we wanted to get

9:07rid of any of this these inner lines

9:11here we could ungroup them and I could

9:14delete this and this and now it’s more

9:18of a silhouette and it could be you know

9:23fun wallhanger or something like that

9:25but this kind of a goofy exercise to

9:28demonstrate the power of what vector

9:30trace can do as well as the weld utility

9:34so hope you guys picked something up in

9:37this one and again like always be on the

9:40lookout for the next light burn tutorial

9:42thanks

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