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Linear pattern

Question asked by Lee Henderson on Jul 23, 2015
Latest reply on Jul 28, 2015 by Lee Henderson

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Please help, i'd like to think I was nearly there but need a little help.

Im trying to model some steel mesh reinforcement inside a concrete block. I've manage to create an 'L' shaped rod at one end and I would like to repeat this multiple times running up the unit to 50mm inset from the back face. As you see the unit is angled and reduces in height slightly so my reinforcement will have to reduce too. I intend to place horizontal bars to create the mesh effect (an tips on how to do this also would be greatly appreciated).

If anyone has an easier suggestion I'd be happy to take any advice.

Many thanks

Lee

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section C7 LHS reinf opt.SLDPRT.zip143.5 KB

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Jamil Snead Jul 23, 2015 1:28 PM
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I am on SW2014 so I couldn't open your file, so I am only guessing at what you are trying to do based on your description. It sounds to me like you want to use a linear pattern with the Vary Sketch option checked, so that the sketch for the bar will adjust based on the geometry changes along the pattern. See if my example file gives you any inspiration.
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- LinearPatternJS.SLDPRT.zip110.7 KB
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- Lee Henderson @ Jamil Snead on Jul 24, 2015 4:46 AM
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  Hello Jamil and thanks for the reply.
  
  I think your right thats exactly what I need, however I can't get the linear pattern to work. I am having trouble selection my shape once its inside the block and when I try the linear pattern I fill the various boxes with the pattern details but nothing happens (although I get no error messages to say it hasnt worked)?
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  - Mark Kaiser @ Lee Henderson on Jul 24, 2015 10:19 AM
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    Lee,
    
    There is something weird with your file, I think. I got the vary sketch pattern to work, sort of, it does not follow the offset/angle of the sides. I could only get the bodies to pattern if I selected direction two (in pattern options) then deselected direction two. Not sure what is going on there. Attached file though.
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    section C7 LHS reinf opt mk.SLDPRT.zip189.1 KB
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Tom dunn Jul 24, 2015 9:07 AM
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I think you need to use the move/copy command found under the "insert", "features" since you are using a multi bodied part not an assembly
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- section C7 LHS reinf opt.SLDPRT.zip168.1 KB
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- Lee Henderson @ Tom dunn on Jul 28, 2015 3:47 AM
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  Hello Tom, thanks I've never used that feature before. I guess I could cut across the top of the bar to keep it with the profile too. This seems like a decent proposal especially as I can't get any of the linear pattern features to work Thanks
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Dennis Bacon Jul 28, 2015 4:54 AM
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This was a good challenge Lee. I did manage to get the LPattern to work correctly and vary the tops of the L shaped bar. The first thing I did was to unmerge Sweep10. In order to figure out the spacing and I used reference points in order to determine the amount of drop (vary) from bar to bar. In order to select the shape I had to make the faces transparent individually. Not sure why I had to do that. This may not be exactly what you are looking for but you can alter it to your spec.
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- section C7 LHS reinf opt_db2.zip195.0 KB
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- Lee Henderson @ Dennis Bacon on Jul 28, 2015 5:39 AM
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  Thanks Dennis, a very comprehensive post too. Yours seems to be the most complete answer I've had so far (although as is usually the case there is more than one way to do these things depending on your skill level). For me personally though I feel this is a step too far! Especially as I was hoping to put some horizontal bars in too! My head hurts just reading this
  
  Thanks for your time
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