Drawing question- Thirds and fifths

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  • #136133
    Ed
    Participant

    In the spirit that drawing is part of woodworking…

    It is easy to divide a length in two by eye when drawing, but I find it hard to divide into thirds by eye and very hard to do fifths. Is it just practice, or are there tricks?

    This is a question about eye training and drawing…dividers, scales, compasses, rulers are out of bounds. I guess if you feel you are an experienced artist / drawer and want to declare that a tool is needed for anything but halves, then I’m all ears.

    Any tips?

    #136134
    Greg Merritt
    Participant

    There is no magic way of obtaining this skill. Like with most things, the ability is simply a function of repetition. Make a bunch of random length lines and set a pair of dividers to your best guess. Step off three (five) steps and correct for the error. Eventually your best guess will be very, very close. When you stop using the dividers is up to you and how comfortable you feel with your ability.

    Again, this skill is a function of repetition. You can’t hope to see in thirds or fifths if you don’t first know what they actually look like.

    Personally, I always check myself with a pair of dividers unless I’m only doing a very rough preliminary sketch.

    http://hillbillydaiku.com

    #136136
    Ed
    Participant

    @gman3555, Thanks. I will practice as you describe. For layout, I use dividers, but the idea here is to improve my sketching and train my eye.

    #136149
    Matt McGrane
    Participant

    Ed, I’ve had this issue so many times, whether it be in woodworking drawings or anything else. For whatever reason, I grew up wanting things to be equal, even-Steven. So when I draw lines on a page I want them to be evenly spaced. I will eye-ball it, but certainly I don’t get it right. Using a pencil (with a good eraser) is key for me.

    Matt, Northern California - Started a blog in 2016: http://tinyshopww.blogspot.com/

    #137103
    oltexasboy
    Participant

    I was going to put in a link but couldn’t figure out how, One is the woodworking masterclass with Steve Hays on a “4×3” cabinet, Interesting take on measuring. (2)There is an old timey tool called a sector that you might find useful with your dilemma

    In the spirit that drawing is part of woodworking…
    It is easy to divide a length in two by eye when drawing, but I find it hard to divide into thirds by eye and very hard to do fifths. Is it just practice, or are there tricks?
    This is a question about eye training and drawing…dividers, scales, compasses, rulers are out of bounds. I guess if you feel you are an experienced artist / drawer and want to declare that a tool is needed for anything but halves, then I’m all ears.
    Any tips?

    • This reply was modified 6 years, 6 months ago by oltexasboy.
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