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Thread: Looking for free 2D technical drawing program

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  1. Default Looking for free 2D technical drawing program

    I'm trying to find a program to make 2D planform sketches. Something that works like a CAD program but is free and I only need to do 2D stuff. What I need to do is make a scale drawing of an aircraft wing including all the components of it (flaps, ailerons, wing spars, fuel tanks, etc). I also need to be able to easily show the dimensions and (x,y) locations of everything. I know I'm probably not being very clear... I'll try to upload a hand drawn example when I get home. Does anyone know of a decent, free program to do this?

    I'm just sick of spending an hour doing this every week with a calculator and a ruler. And did I mention it needs to be free?

    I'll attach a couple examples from my notes until i can upload a good one. Basically I need to combine all three of these into one drawing. (The 3rd is 3D, but I just need to show that stuff in 2D)
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    Last edited by Hodgie; 03-31-2009 at 11:29 PM.

  2. Default

    http://www.allycad.co.za/downloadf.asp

    I googled...
    However, anything is free on the internet, if you know what I mean.

  3. Default

    Google Sketchup, 3D but still good.
    -MBP

  4. Default

    Quote Originally Posted by Hodgie View Post
    I'm trying to find a program to make 2D planform sketches. Something that works like a CAD program but is free and I only need to do 2D stuff. What I need to do is make a scale drawing of an aircraft wing including all the components of it (flaps, ailerons, wing spars, fuel tanks, etc). I also need to be able to easily show the dimensions and (x,y) locations of everything. I know I'm probably not being very clear... I'll try to upload a hand drawn example when I get home. Does anyone know of a decent, free program to do this?

    I'm just sick of spending an hour doing this every week with a calculator and a ruler. And did I mention it needs to be free?

    I'll attach a couple examples from my notes until i can upload a good one. Basically I need to combine all three of these into one drawing. (The 3rd is 3D, but I just need to show that stuff in 2D)
    I might have something for you, one of my vendors recently released a program that does entire structures M1-6, so its the same code and I could get an idea on where we can start looking. ill report back if I find anything.

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