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  1. #31
    User LastChanceWoodshop's Avatar
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    Re: Need some math help

    Another good option if 3D drafting doesn't speak to you is a program called Draftsight. It is a free program from Dassault Systemes that mimics much of the functionality of AutoCAD.

    https://www.3ds.com/products-service...free-download/

    I use it for a lot of layout tasks.
    There's never enough time to do it right, but there's always enough time to do it over.

  2. #32
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    Re: Need some math help

    Here we go again.
    SketchUp Authorized Training Center

  3. #33
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    Re: Need some math help

    Dave, being somewhat new the forum, let me ask; Is there some sort of Hatfield/McCoy situation between SketchUp and Draftsight?



    Two different approaches, same result.
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    There's never enough time to do it right, but there's always enough time to do it over.

  4. #34
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    Re: Need some math help

    No. Not that I know of, anyway. It's just that everytime someone mentions wanting to learn how to use SketchUp, someone else is sure to try to divert the thread to some other program. If someone wants to learn how to use a Leigh dovetail jig, it doesn't make sense to recommend the Rockler dovetail jig.


    There's nothing wrong with other programs, and if you're happy with 2D line drawings, Draftsight is fine.
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  5. #35
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    Re: Need some math help

    I may be interested in that Draftsight ...

    I learned drafting in high school on paper with pencil, triangles, and rule.
    The Sketchup 3-D mindset is difficult for me to grasp. Very counter-intuitive. It never does what I expect.



    One machine can do the work of 50 ordinary men. No machine can do the work of one extraordinary man." -Elbert Hubbard

    WWFD

  6. #36
    User LastChanceWoodshop's Avatar
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    Re: Need some math help

    Quote Originally Posted by Mike Davis View Post
    I may be interested in that Draftsight ...

    I learned drafting in high school on paper with pencil, triangles, and rule.
    The Sketchup 3-D mindset is difficult for me to grasp. Very counter-intuitive. It never does what I expect.
    I won't derail the thread any more than I have already, If you run into trouble, shoot me a PM and I am happy to help.

    JD
    There's never enough time to do it right, but there's always enough time to do it over.

  7. #37
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    Re: Need some math help

    Just curious why anybody would want to draw something or plot something or print something or divide something when it only takes six keystrokes on a calculator

  8. #38
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    Re: Need some math help

    Quote Originally Posted by Phil S View Post
    Just curious why anybody would want to draw something or plot something or print something or divide something when it only takes six keystrokes on a calculator

    Awww, come on, Phil! Where's the fun in using an electronic calculator?
    I like making things. I have a wood shop at home. I am a terrible carpenter but I love doing it. Raymond - Charlotte, NC

  9. #39
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    Re: Need some math help

    When I divide the circle I have a drawing on the wood ready to cut.
    Not just some numbers on a screen that mean nothing to me.
    That's just how I work.



    One machine can do the work of 50 ordinary men. No machine can do the work of one extraordinary man." -Elbert Hubbard

    WWFD

  10. #40
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    Re: Need some math help

    Quote Originally Posted by Raymond View Post
    Awww, come on, Phil! Where's the fun in using an electronic calculator?
    I lost my slide rule. Probably used it to stir paint

  11. #41
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    Re: Need some math help

    Hopefully the point of this is that there are always many ways to do anything and different people use different ways.



    One machine can do the work of 50 ordinary men. No machine can do the work of one extraordinary man." -Elbert Hubbard

    WWFD

  12. #42
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    Re: Need some math help

    Quote Originally Posted by mquan01 View Post
    I am to old to remember how this is done, so hopefully someone else can..

    I have a 13" diameter circle in which I want I want 15 equal slices (24 degrees each). What is a good way to determine the layout (please show your work to get extra credit)

    Thanks in advance
    I trust you've gotten the answers you needed by now. But I'm curious what you are making from this sliced up circle?

  13. #43
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    Re: Need some math help

    A fishing pole holder for my neighbor
    Last edited by mquan01; 05-10-2018 at 05:35 PM. Reason: Typo

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  15. #44
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    Re: Need some math help

    Mike,
    I made one for a family members and if memory serves, mine was 12" diameter. I wish I had made it about 16", it held 12 rods.

  16. #45
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    Re: Need some math help

    And here she is. The base is 17" in diameter with slots for 15 rods. The upper piece is 15" in diameter, height is 42"

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