Still Trying to learn about welding and rounding corners

I have included the file for the item I am trying to make.
It is going to be a pen display holder for 7 pens.
I drew it on paper, photographed it, then traced it in LightBurn.
However the lines are doubled so I have drawn new lines and will delete the trace when done.
Can someone explain to me how to join the lines, cut the circles in half, and round the corners in the top piece?
If I can learn this I will be able to make most of my ideas.

7 Pen Display.lbrn2 (230.7 KB)

I would recommend using some form of graphics program, and then exporting the file in a format that is compatible with LightBurn. I use Onshape which is a Solid Modelling program (free by the way), that allows you to create and design, then export a .DXF file, that LightBurn likes.
Pat

Hey Patrick … Yeah I have used AutoCad on my PC computer a lot doing CNC designs but want to learn how to do things in LightBurn so I am not jumping around on different computers. My LightBurn, Laser engraver, and Vinyl cutter all run on a Mac and I dont want to spend the money to purchase AutoCad for the mac (it aint cheap) since I purchased LightBurn.
I am thinking there is a way to do this but it is so different than AutoCad.

I get it - Onshape is based on Solidworks, which I had experience in, so it was an easy transition. One of the (many) great features of Onshape is it is cloud based. So if I do up a design at home, and then go where our laser is (at our Makerspace), I can open it up on any computer, and it runs on windows & mac. There is an add on (script) for Onshape that does finger joints, so I have used that a lot for various ‘Box Like’ configurations. I found drawing in LightBurn a bit of a challenge for me, so defaulted to something I knew how to use. LightBurn makes everything else a piece of cake

Oh and it is free - which is a good feature.

Its free? Dang … that sounds tempting. Do you just go to their website and down load it? I might try it this weekend if they support Mac.

Yes - FREE! That is the key word. Now, it is cloud based, and your models are ‘Public Domain’ unless you purchase a licence. Go to Onshape.com, and you can set up your access to it. There are a lot of online tutorials, and they have a user group like this that is very helpful. It is not like AutoCAD, but it works well. If your are familiar with AutoCAD - you might want to go to Fusion 360, which is free for ‘Not for Profit’ users - check it out. It has a CAM component built in, which is good for 3D Printing as well.
Pat

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