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ptc-39271161-Visitor
1-Visitor
May 5, 2014
Question

QR Model Problems

  • May 5, 2014
  • 13 replies
  • 8315 views

Hello everyone, newbie here:

 

I am trying to create a 3-dimensional QR code model and print it out on a 3D printer/makerbot. I have created a model on creo parametric but when generating the .stl file, all the extrusions and features are lost. It just becomes a flat rectangular prism. Can anyone give me advice here?

 

Also when I create extrusions, they are hollow and not filled. I would like the QR extrusions to be solid filled but I can't do this. Have attached my model.

 

Appreciate the help!


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13 replies

ptc-39271161-VisitorAuthor
1-Visitor
May 5, 2014

Some screenshots of the issue

TomD.inPDX17-Peridot
17-Peridot
May 5, 2014

Your extruded QR is a surface. You cannot export to STL using surfaces. Only your block is being exported.

ptc-39271161-VisitorAuthor
1-Visitor
May 5, 2014

Understood...how would I be able to convert it to a surface?

Whenever I tried modelling it, it always came out as a surface.

dschenken2-Explorer
2-Explorer
May 5, 2014

Where does the QR geometry come from?

If it's a datum curve, then to use it to make a solid protrusion it can't be self intersecting and I think it can't share corners.

Each vertex in a typical solid sketch must have two and only two segments attached to it. The exception is for thin extrusions.

However, you can extrude curves that share corners as a surface, with capped ends, and then select Solidify.

    ptc-39271161-VisitorAuthor
    1-Visitor
    May 5, 2014

    I imported an image of a QR code onto Creo and mapped it onto the model. Then I attempted to resketch the entire QR code (4 subsketches for each quadrant) and extrude it. I attached a screenshot of it.

    I tried extruding as a capped surface but it would not allow me to do so.

    TomD.inPDX17-Peridot
    17-Peridot
    May 5, 2014

    That is a lot of work, Sadaf. You will have to go back and close many of the intersections and probably need a lot more sketches. you know you have a closed sketch when it is highlighted with a color for the enclosed region.

    Try copying the sketch many times and make each solid path a sketch and make sure it is closed. This should get you what you are after.

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