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Why cant i close loop?

9 REPLIES 9
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Message 1 of 10
Anonymous
830 Views, 9 Replies

Why cant i close loop?

Im having huge problems closing this loop during this sketch. Does anyone have any ideas? Used Sketch doctor with no luck?

9 REPLIES 9
Message 2 of 10
JDMather
in reply to: Anonymous

Did you attach the correct file here?


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Message 3 of 10
Anonymous
in reply to: JDMather

Sorry it is the right one

 

The first issue shows a closed sketch which I can extrude. When I place a rectangular pattern on it it shows loads of open loops?

Message 4 of 10
JDMather
in reply to: Anonymous

I would not pattern sketch enitities - I would pattern features.

Your sketch is not fully defined.


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Autodesk Inventor 2019 Certified Professional
Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional


Message 5 of 10
Anonymous
in reply to: JDMather

what would be the best way to copy that part of the sketch to replicate it?

Message 6 of 10
Anonymous
in reply to: Anonymous

For example how would I duplicate this pattern down as it shows fully dimensioned?

Message 7 of 10
mcgyvr
in reply to: Anonymous


@Anonymous wrote:

For example how would I duplicate this pattern down as it shows fully dimensioned?


Personally I have no idea what you are making and what of that pattern is kept..what is cut, what is extruded,etc...?

Can you show a real life part of what you are modeling or something else showing what it should look like when finished..

 

In general model it like you would make it in the real world (as if fabricated on a CNC mill) .. Start with a simple rectangle, extrude (cut) one of the profiles then pattern the rest.

Open sketched patterns do not automatically constrain end points as you can see from your problems. 

 



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Inventor 2023 - Dell Precision 5570

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Message 8 of 10
Anonymous
in reply to: mcgyvr

Right I have managed to do it with your help mcgyvr

 

I first drew a rectangle half the width of the final part then extruded it to 8mm thick

 

Then I sketched the first hook and placed a rectangular feature copying the hooks all the way down the rectangle. Once I did that I mirrored the rectangle to give me hooks both side and here is the finished product

Message 9 of 10
JDMather
in reply to: Anonymous

Several of your sketches are not fully constrained.

 

And you could have saved work by using Mirror Body rather than Mirror Features.

Mirror Body.PNG


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Autodesk Inventor 2019 Certified Professional
Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional


Message 10 of 10
mcgyvr
in reply to: JDMather

Any whats with the split at the end to delete half the part?

Here is my quick attempt..

attached (2015 version)



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Inventor 2023 - Dell Precision 5570

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