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  1. 14th January 2017, 03:23 PM #1
    BlackbuttWA
    BlackbuttWA is offline Senior Member
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    Default Drawing circles..DIY

    There are heaps of large compasses with an ordinary pencil fitted, but they are not very good on burls or rough wood.

    So I came up with these prototypes which will take a Carpenters pencil which are great for marking those large diameters.
    The tubing is just drilled & fitted with a self tapping screw, but I suppose they could 2017-01-03 08.24.27.jpg2017-01-03 08.23.39-2.jpg2017-01-03 08.23.29.jpghave a nut tacked in place & fitted with a bolt.
    They are about 300mm long & made to fit the only tubing I had.

    C & C Welcome
    Col
    Chucks are like potato chips....you can't have just one.

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  3. 14th January 2017, 03:49 PM #2
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    Cliff Rogers
    Cliff Rogers is offline Timber Hoarder
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    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.
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  4. 14th January 2017, 05:43 PM #3
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    smiife
    smiife is offline GOLD MEMBER
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    Hi col , good idea , thanks for sharing
    Cheers smiife
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  5. 15th January 2017, 07:52 AM #4
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    Christos
    Christos is offline Mildly Moderate
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    Default

    Nice going on the compasses. I agree that using a regular pencil on rough uneven surface is going to cause the lead some grief.

    I made something similar to your one that is pictured second from the left. I used masking tape to hold a regular pencil and could swap it out for either carpenter pencil or a bit of chalk.
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