cutting geometric shapes in part editor

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ScotAcree
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cutting geometric shapes in part editor

Postby ScotAcree » Tue, Dec 02 2008, 4:02PM

I would like to get to know and use the part editor.I have a client that wants a gate made like the picture posted.So far I have made a display board (.25 thick by 7"w by 24"l) like each individual slat in the gate and have taken it to the part editor.My grid setting is set to grid .5,snap .5,size 48.I have cut some shapes out of it practicing,but would like to know if someone could give me some further direction. Also,should I make up the same size grid out of paper to place under the slat of the gate to get better measurements.I know I could trace this slat out on a board and start cutting,but thought this would be a good way to start using the part editor.May even have these cut out on a machine when I get threw this.
Scot
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DanEpps
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Re: cutting geometric shapes in part editor

Postby DanEpps » Tue, Dec 02 2008, 4:15PM

You're on the right track Scot. After you create the geometry for the first part, save it and you can use it to create as many as you need in your display assembly.

If you want exact measurements, then using a full-size grid and tracing the pattern on it is one way to go. I would probably just rough sketch the pattern then add measurements (location, width, height, radii) for each section. I find it generally easier to divide the pattern in half and measure only one side when making a symmetric pattern like this.

Todd Miller

Re: cutting geometric shapes in part editor

Postby Todd Miller » Tue, Dec 02 2008, 4:20PM

Scott,
I would suggest watching the video tutrotial we have on the Part editor. I recommend downloading it to your desktop before viewing. Here is a link.

http://www.ecabinetsystems.com/ecab_new ... orials.htm

You can also find this list of video tutorials we offer, in the software. After opening the software, go to the "help" pulldown menu, then click on "eCabinets System Tutorials".

ScotAcree
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Re: cutting geometric shapes in part editor

Postby ScotAcree » Tue, Dec 02 2008, 4:25PM

When I get 1/4 of the slat done is there a way to mirror image to the top and side?I guess I better start watching the tutorials.
Scot

Todd Miller

Re: cutting geometric shapes in part editor

Postby Todd Miller » Tue, Dec 02 2008, 4:32PM

Scot,
Yes, you can mirror around the x axis, the y axis, or any line that you have created. You will need to select the geometry you would like to mirror, then select the mirror function. You will then be asked how you want to mirrior the geometry. Then as stated above you would choose the x axis, the y axis, or any line that you have created. If you still need help, let us know.

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Damon Nabors
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Re: cutting geometric shapes in part editor

Postby Damon Nabors » Wed, Dec 03 2008, 1:00AM

Is this what you are looking for?
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ScotAcree
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Re: cutting geometric shapes in part editor

Postby ScotAcree » Wed, Dec 03 2008, 9:26AM

I thought you would be posting Damon,you have been busy this morning.

1.)Did you make that in the part editor using the geometric shapes.?Or in Contour Mode using line,3 point arc,and clipping corners?Or combination of both?

2.)Did you cut out all of this in the Contour Mode and right click and select "create part using closed contour"?

I was able to free hand draw it last night in ecabs using line and 3 pnt. arc in Contour Mode with no exact measurements.I started with the display bourd on the 0,0 X and Y.Made a 1/4 of the design on the board, then made a vertical line in the center of it and used "mirror image" to the right side.Maybe I do not need the vertical line to do this?Then somehow copied the bottom half and copied it to the top and rotated it.Can not remember how I did that last night, it was getting late.As you can tell,I have no CAD experience, if this is anything like using CAD.Am I going in the right direction here?

This morning I have traced one of the slats on 1/4" graph paper and to get some closer X and Y points and am starting over.If anyone would like to answer some of these questions,feel free to chime in.

Scot

ScotAcree
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Re: cutting geometric shapes in part editor

Postby ScotAcree » Wed, Dec 03 2008, 2:26PM

Well,here is where I am at.I am stuck trying to close the contour.I have extended all lines and clipped,then put a .125"champ fer on everything.I know I have done something wrong because I have been able to cut a few of the shapes.



Anyone like to take this to the part editor and give it a look?I will go back to spraying in the booth without my respirator,least I will know why I am getting a headbanger!

Scot
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PE slat 5.jpg
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PE slat 5.esa
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Todd Miller

Re: cutting geometric shapes in part editor

Postby Todd Miller » Wed, Dec 03 2008, 2:51PM

Scot,
You have a lot of duplicate entities. Which is geometry on top of the same geometry. Most of them being on the radii that you have created. I just went in and deleted what you didn't need. I have attached a revised file, but I recommend going back and trying to clean it up yourself. Just so you know what to look for next time.
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PE slat 5 rev.esa
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DanEpps
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Re: cutting geometric shapes in part editor

Postby DanEpps » Wed, Dec 03 2008, 3:06PM

Several things Scot...look at attached image.

First, use a circle to make the circular sections. Notice the crooked line where the two sections join and the extra line at the top of the circular opening (see image Scot 1).

The best thing is to create one side and make sure all intersections are connected by clicking on the arrow icon and selecting "chain" (see image Scot 2). Then you can click a segment and see where the unjoined intersections are. Extend and trim these intersections.

Once you can select the entire geometry with "chain select" you can create the part.

I would make one half of the pattern (see image Scot 3) then mirror it for the other side, making sure to add the top and bottom lines then extend/trim the intersections at each corner.

After that is complete, add the center cutouts and create the part. Take it back into Contour Mode, right-click and select "Create Edges" then save the geometry for use later.

scot 1.jpg
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scot 2.jpg
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scot 3.jpg
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Damon Nabors
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Re: cutting geometric shapes in part editor

Postby Damon Nabors » Wed, Dec 03 2008, 3:44PM

I drew it up in a artcam and then saved it as a dxf file and tried to open it up in ecab. I couldn't get it to open in the parts editor. I ended up saving it as a stl file and then bring the stl file into ecab and convert to a display object.
Damon Nabors

Todd Miller

Re: cutting geometric shapes in part editor

Postby Todd Miller » Wed, Dec 03 2008, 4:11PM

Scot,
BTW, in the file that I attached, I did change the large (not smooth) arcs to a slightly larger radius. They do not match the original part file you had attached. FYI

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DanEpps
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Re: cutting geometric shapes in part editor

Postby DanEpps » Wed, Dec 03 2008, 5:20PM

Damon Nabors wrote:I drew it up in a artcam and then saved it as a dxf file and tried to open it up in ecab. I couldn't get it to open in the parts editor. I ended up saving it as a stl file and then bring the stl file into ecab and convert to a display object.


Splines for the curves?

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Damon Nabors
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Re: cutting geometric shapes in part editor

Postby Damon Nabors » Wed, Dec 03 2008, 5:41PM

That's probably it, I forget about splines having problems.
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ScotAcree
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Re: cutting geometric shapes in part editor

Postby ScotAcree » Thu, Dec 04 2008, 12:11AM

Thanks for the extra help guys.I took one of the previous display boards I saved and used the advice you all gave me until I got it right.I made most of the contour with 3 pnt. archs,except the main 2 circles in the middle.I think the main circle was wavy because I extended some segments too much.I did start doing things your way Dan and the illustrations were a big help.Still do not understand all of the functions,but it is a start.I would only use the part editor if I needed to make some arches on the valance of kitchens.
Thanks Again,
Scot
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