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  1. #1
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    Default Isometric dimension

    I'm using Autocad 2007 at home and Autocad 2004 at my school computer lab. and I have an assignment of this Isometric drawing. I need to put all dimensions and here I have problems to make the extension lines in isometric angle. Here are the snapshots of my work:-

    In autocad2004, I could put the extension lines in this way
    http://members.lycos.co.uk/kelseeexx/snap044.jpg

    but in autocad2007, the extension lines won't go parallel with the straight line. I used aligned dimension for both.
    http://members.lycos.co.uk/kelseeexx/snap043.jpg

    Any suggestion so that my dimensions can be exactly like in autocad 2004???
    thx in advance

  2. #2
    Super Member riga's Avatar
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    Move your UCS (0,0,0) on one of the end point of the line you want to dimension... and then use aligned dimension
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  3. #3
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    Or type UCS enter 3 now select 3 places on the cube to align your UCS
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    Guys... I don't think it's a 3d drawing... it's a 2d isometic.

    It works OK in 2007 & pretty much the way I remember it in 2004... _dimaligned & pick your points then _dimedit & Oblique & pick the dimension entity, then pick 2 points that you want to oblique to... in this case 2 points on the vertical line or type in 90. The text & arrows don't oblique any more for some reason (?) but the dim lines should be placed ok.
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  5. #5
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    Quote Originally Posted by Hedgehog View Post
    Guys... I don't think it's a 3d drawing... it's a 2d isometic.
    Hi Hedgehog, my way will still work if it's a 2d Isometric or a 3d model, all he will be doing us rotating his UCS so the X and Y are in the correct plane
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  6. #6
    Banned Alan Cullen's Avatar
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    I'm not sure, Lazer. If my memory is correct, isometric runs 30 degrees off the horizon both directions. That leaves a 120 degree gap, not 90 degrees. I guess he could do it by setting the ucs up for each side of the drawing.

    I'm just trying to think way back, so I could well be wrong.

  7. #7
    Banned Alan Cullen's Avatar
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    I tried both methods, and I got nowhere. I guess I'm just dumb.

  8. #8
    Super Moderator Strix's Avatar
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    just out of curiosity... why are the arrowheads in the given example at a different orientation to the text in the dimension?
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  9. #9
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    It is quite a long time since I dimensioned in isometric mode but if I remember correctly I used the method as described by Hedgehog with the appropriate obliquing angle - aligned and oblique dimensions are explained in AutoCAD help. Also, because I like my drawings to look right, I created text and arrow styles to align with the plane of the dimension. I don't know if that's the correct/best method but it works.

  10. #10
    Super Member chrisdarmanin's Avatar
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    yep hedgehog is right, i remember doing it in school

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