LightBurn Tutorial 22 – Quick Cut Shapes

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 LightBurn Tutorial Session, we have a quick session on cut shapes. My thanks to the team at Lightburn for allowing me to embed their videos.

Contents

A brief example showing how to use the LightBurn Cut Shapes tool to cut a job into multiple pieces.


A Quick “Cut Shapes” Tutorial
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External Resource Links for LightBurn Cut Shapes

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If you enjoyed this series of Lightburn Software Tutorials. Why not try out one of our other video series such as:

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The Lightblade Learning Lab is a series of videos that Russ did for Thinklaser Limited based on using the Lightblade 4060 Laser Cutting and Engraving Machine. The Lightblade 4060 has a 400 x 600mm bed size and was supplied with a 60W EFR laser tube.

The Fiber Laser Series is all about Russ’s adventures and investigations with a 30 watt fibre laser, loaned to him by Dean at Lotus Laser Systems. If you are looking for a laser solution to engrave metal, without the fuss of using coatings such as Thermark, Cermark or Molybdenum Disulphide spray, then this is the series for you.

The Top 10 Ranked RDWorks Learning Lab Videos.

The K40 Xtreeem Laser Cutter Upgrade Series is a series of 6 videos covering how Russ, strips down a generic K40 laser. He then designs and builds a number of new components and completely upgrades and overhauls the K40 into a high specification K40 Xtreeem Laser cutting and engraving machine.

Why not check out The Concise RDWorks Learning Lab Series that condenses all of Russ’s work into an easy to follow encyclopaedia of laser knowledge.

Lightburn cut shapes example
Lightburn cut shapes example

Transcript for LightBurn Cut Shapes

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0:00a user on the light burn forum asked how

0:03would i cut this frame shape into four

0:05identical pieces so that i can cut it

0:08out with minimal waste i thought this

0:11would make a good quick tutorial

0:13so i’m going to show you how i would do

0:15this using the cut shapes tool

0:18so first of all if you use the cut

0:20shapes tool what it does is it will take

0:24let me just back that up i’m going to

0:26select this shape shift select that

0:28shape go to tools cut shapes and you can

0:32see that it has cut this into

0:34two pieces one

0:36everything in the shape that i used to

0:38cut and one everything outside the shape

0:41you’ll also notice that these lines are

0:43not closed and that’s because this is

0:45currently set to line mode

0:47and when using the cut shapes tool it’s

0:50assumed that you will be cutting

0:52multiple pieces of material or lining

0:55them up so it doesn’t close things

0:57automatically if they are in line mode

0:59however if your shapes start

1:02in fill mode

1:05and you cut them with the cut shapes

1:07tool

1:08it will automatically close them like

1:10this

1:11so now if i was to cut out these two

1:14shapes i could assemble them back

1:16together

1:18like you would so i’m going to undo this

1:21again

1:22and

1:23delete my cutter

1:25and show you how i would do this cut so

1:27first set the layer to fill so that it

1:29will automatically close the shapes for

1:31you second i’m going to draw a box and

1:34the first thing that i’m going to do is

1:35hover the mouse into approximately the

1:38middle of this frame and you’ll notice

1:40that when i get to the middle it turns

1:42into a little x that means that i am

1:45snapping to the center of this shape so

1:47from here if i draw a box outward to

1:50enclose one corner of this shape i know

1:54that this corner of the box is exactly

1:56in the center

1:58next thing i’m going to do is duplicate

2:01i’m going to do that by

2:03edit duplicate i normally just use the

2:06control d shortcut then i’m going to

2:08grab the sizing handle here and drag it

2:11down diagonally this way

2:13so that i have an exact copy or close

2:16copy starting from the same location

2:18that encompasses this part of the frame

2:21here

2:22so

2:23if i cut this frame the red

2:26with this box

2:28i’ll be left with this piece here and

2:30then these

2:32or this row here remaining and then if i

2:35cut this shape here

2:38with this box i will have this piece

2:42this piece and this piece remaining that

2:45may sound confusing but you’ll see what

2:46i mean when i actually do it so first

2:50select

2:50my frame

2:52shift select the cutting tool go to

2:55tools cut shapes and so now i’ve got

2:59this piece

3:00which is what was inside the cutter and

3:03this piece which is what was outside the

3:06cutter

3:07so again i’m going to select this one

3:09shift select this one

3:11go to tools

3:13cut shapes and now i have this shape

3:16which was inside the cutting tool and

3:18then this and this were outside the

3:21cutting tool and if i ungroup these two

3:27i now have

3:28four independent shapes that i can move

3:30around and

3:33that is exactly what the user asked for

3:36in this case

3:37i technically didn’t need to go

3:40to all of this work because we know that

3:43each of these shapes is an exact copy

3:47it would have been enough for me to just

3:50cut this one piece here and then just

3:52make four copies of it and so to do that

3:55i could quite easily select this one

3:57select this one

3:59tools cut shapes

4:01simply delete this and now this piece if

4:04i control d to duplicate it and produce

4:08four copies

4:09i now have four identical copies of that

4:11frame piece that i can use and obviously

4:15if i was to cut them

4:16sort of nested up or nestled together

4:18like this

4:20i would reduce my material waste

4:25and that’s it

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