Mcam, where do you click on the circle to get the desired tool direction?
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    Default Mcam, where do you click on the circle to get the desired tool direction?

    This is one of those things that I never figured out. When chaining circle, you get the arrow either pointing right or left (or up/down), depending on where you click. How is the direction determined?

    With lines and arcs it is easy.

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    Quote Originally Posted by 316head View Post
    This is one of those things that I never figured out. When chaining circle, you get the arrow either pointing right or left (or up/down), depending on where you click. How is the direction determined?

    With lines and arcs it is easy.
    Determined by where you click closest to a Midpoint, Endpoint or Point. If you select one side or the other of the start point that is where the direction is determined. You also have to consider what offset you are using. There is a Reverse Path button if you want to toggle back and forth.

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    Yes, I know of reverse button and want to avoid that extra click to get the direction right on first try.

    How do you know where the "endpoint" of circle is?

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    Quote Originally Posted by 316head View Post
    Yes, I know of reverse button and want to avoid that extra click to get the direction right on first try.

    How do you know where the "endpoint" of circle is?
    Are you curving geometry off of a solid? If so, then it depends on how that solid was created.

    Or are you chaining off of new circular geometry that you've created yourself? In that case, seems like the endpoint is always at 3 o'clock by default. Then the direction is basically split into two quadrants - when chaining click the 12 o'clock quadrant to start your chain at 3 o'clock and cut CCW. Click the 6 o'clock quadrant to start your chain at 3 o'clock and move CW.

    In chaining options you can set it to always chain closed contours in the CCW direction regardless of cursor position.

    Also, if you have a circle and want to see where the break point is you can analyze that entity, it will show a graphic for center point and it will show a point position for that break point.

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    Also on the home screen their is a button for endpoints. Toggle it on and it will display the end points.

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    Quote Originally Posted by Mike1974 View Post
    Also on the home screen their is a button for endpoints. Toggle it on and it will display the end points.
    Thanks for the tip! I never found that button.

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    Quote Originally Posted by 316head View Post
    Yes, I know of reverse button and want to avoid that extra click to get the direction right on first try.
    Hit R when chaining, it will reverse it.

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    The start point of a circle is generally the 3 o'clock position. Click at 2 o'clock for counter clockwise and 4 o'clock for clockwise.

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    Quote Originally Posted by 316head View Post
    Yes, I know of reverse button and want to avoid that extra click to get the direction right on first try.

    How do you know where the "endpoint" of circle is?
    For MasterCAM the endpoint of the circle is 0 degrees.

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    Quote Originally Posted by Plane Parts View Post
    For MasterCAM the endpoint of the circle is 0 degrees.
    Not necessarily if it is imported from a different cad system.

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    Anti clockwise for bore (arrow pointing in) will climbmill. Clockwise for outside (arrow pointing out, climb milling again


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