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Type: Posts; User: zpaolo

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  1. CREO Parametric 4.0 M010 installation issues with Universal C Runtime

    Hi all, I'm having an issue with the latest PTC installer for CREO 4.0 M010, but also for Mathcad Prime 4.0.

    What happens is that as soon as I run the installer it asks me to install Universal C...
  2. Now, everybody (yes, EVERYBODY) will be...

    Now, everybody (yes, EVERYBODY) will be wondering: "is it possible to build a fibonacci spiral with equations?" Advantages: you have a single curve and not different arcs, plus with respect to a...
  3. Do you have links to the articles?

    Do you have links to the articles?
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    Every time I hear about news regarding the...

    Every time I hear about news regarding the pattern tool I wonder if/when they'll implement a "fill" patterning tool that allows different spacing in X and Y direction :(
  5. Dived a bit deeper and here is the result: let's...

    Dived a bit deeper and here is the result: let's say I want to draw a fibonacci spiral with a defined start radius, radius increment and number of turns.

    Define the parameters and add a datum axis...
  6. Let's say I want to do a Fibonacci spiral like...

    Let's say I want to do a Fibonacci spiral like the one in first attachment. I'll start with a sketch that has only the horizontal plane as reference and the datum axis at the intersection between...
  7. You can probably build a Fibonacci spiral using...

    You can probably build a Fibonacci spiral using pattern and some clever use of datums, but it might be much easier to build it from equation as already suggested. I'll have a crack at the Fibonacci...
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    I was able to create a new line font with a...

    I was able to create a new line font with a custom dash pattern in a drawing but I can only apply it to sketched entities in the drawing, not to sketches created at the part level. If I open the part...
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    I tried but that doesn't work: it works on screen...

    I tried but that doesn't work: it works on screen but when I print the document in black and white the "white" edge prints black :/ Is there a way to define a custom line font, you know like DOTFONT,...
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    First you do a sketch, a closed sketch. Once the...

    First you do a sketch, a closed sketch. Once the feature is created you go to "edit definition", then "sketch setup". The "Properties" tab has an "Options" area where you can enable and define...
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    Sorry I forgot to say that I'm doing a sketch in...

    Sorry I forgot to say that I'm doing a sketch in part modeling, not in the drawing environment. If I delete the sketched lines the sketch won't be closed anymore, so no cross hatching :(
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    Open sketch with cross hatch

    When you do a sketch, as long as it's a closed sketch you can fill it with a cross hatching in the sketch properties. But that's too easy ;D I need a rectangular area with a cross hatch but only...
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    I'm not referring to rendering the scene, but to...

    I'm not referring to rendering the scene, but to the visualization mode "enhanced with reflections" that supports OpenGL ambient occlusion in realtime
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    I don't think scaling down from A3 to A4 will be...

    I don't think scaling down from A3 to A4 will be a good idea: format elements like data tables, logos, notes etc should be the same size once printed in both formats.
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    You don't see the surface but the feature doesn't...

    You don't see the surface but the feature doesn't fail so I think the surface is still there... Probably when offsetting by 0 the approximate and actual surface are the same, therefore you still see...
  16. Thread: 2 jaw gripper

    by zpaolo
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    I did something similar in the past but can't...

    I did something similar in the past but can't remember if there was some mechanism involved or if I simply used a skeleton model to build the underlying structure and assemble the parts to the...
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    I'm using Creo 3.0 M060 and I can offset to zero...

    I'm using Creo 3.0 M060 and I can offset to zero :O What's your exact workflow?
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    I just tried with two quilts (two surface...

    I just tried with two quilts (two surface extrusions that are tangent at connections) and joined them using the merge command. Then if I create a datum point and right click until the whole joined...
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    :D I'll tell you the truth: I'm always greatly...

    :D I'll tell you the truth: I'm always greatly inspired by the shapes of perfume and cosmetics bottles, a couple of years ago I modeled one of those "shape changing" bottles that was very popular
    (...
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    I can't upload files or send it by email, very...

    I can't upload files or send it by email, very strict rules at my current workplace. Anyway I went on studying the subject of 4th order superellipse, just for the sake of experimenting (less Creo...
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    But of course if you project, extrude, VSS or...

    But of course if you project, extrude, VSS or boundary blend with this kind of datum curve the curvature of the projected curve, or the curvature of the surface has a different profile that looks...
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    Oh well seems like I found the solution already...

    Oh well seems like I found the solution already :D

    Instead of using a cartesian datum curve I used a polar one with this formula:

    theta=t*90
    r=(1/(cos(theta)^4+sin(theta)^4))^(1/4)
    z=0
    ...
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    How to model a SQUIRCLE

    A "squircle" is a funny term to describe a sort of square with rounded corners that's not a square nor a circle. The formula for a squircle, which is in fact a superellipse, is in its simpler...
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    Ambient occlusion

    I've installed Creo 3.0 M060 on Windows 7 with Nvidia Quadro K4200, in the nvidia control panel there is a section where I can customize options per-application featuring "PTC Pro/Engineer Wildfire...
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    Change default cross-hatching color

    I use a lot of patterns with cross-hatching, in model view the color of the sketch itself is controlled by the "sketch" color entry, while the color of the cross-hatch itself is controlled by the...
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