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Beginners' Questions Keeping a pentagon from spinning
  1. #1
    K K @fugueink

    I am trying to draw a regular pentagon. All the sides the same length, and the base parallel to the horizontal axis.

     

    No matter what I try, the base will not come out perfectly horizontal. And no matter what I try, I cannot be sure that it is when I'm trying to rotate it.

     

    What am I missing? How can I compel it to behave itself?

     

    Thank you.

  2. #2
    Paddy_CAD Paddy_CAD @Paddy_CAD

    Use [ctrl+click+drag] to snap the rotation angle as you draw your shape. Or take a look at this. https://inkscape.org/forums/questions/how-do-i-align-these-two-triangles-on-their-hypotenuse-and-in-the-bottom-in-general

  3. #3
    Polygon Polygon @Polygon🌶

    Please check Preferences->Behavior->Steps and make sure "Rotation snaps every" is 360° dividable by the number of 5 (for 5 corners) like 18, 10, 6 for instance

  4. #4
    K K @fugueink

    I'm sorry, but I've only found the "snap every x degrees" useful when the blasted object is already aligned to the rectalinear grid (or a radial one). Otherwise it never goes exactly where I want it.

     

    But the guides trick allows for aligning it. Thanks once again, Paddy_CAD!

     

    K

  5. #5
    Polygon Polygon @Polygon🌶

  6. #6
    K K @fugueink
    *

    On edit: Oh, sorry, I missed moving the center of rotation before turning.

     

    Thanks!

     

    ---------------------

     

    Actually, I just tried the guide trick, and it's not working.

     

    The pentagon rocks back and forth, only one vertex snapping to the guide at a time. I can't get it work. I suppose eventually it might settle on the line, but I doubt I'll be able to tell exactly when that happens.

     

    And apparently I wasn't clear when I said the snapping to x degrees didn't work. I suppose I should've said that you have to know the degrees the thing is tilted in order to use it. And if I knew tht, I could just use the Transform > Rotate dialog to do align it properly.

     

    I wish there was a section of the Align functions that allowed me to select a line segment and, without distorting the object at all, it would align it rotationally with another line (or guide) of my choice. But clearly I think differently than the programmers of Inkscape do.

     

    K

  7. #7
    Polygon Polygon @Polygon🌶

    I really can´t explain it any better, JUST LOUDER: ;-)

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