#1




line on circle
How would you draw a line of known length from a fixed point on a circle so it would intersect the circle at the other end.
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Brian O stinger III x3 vcarve pro 
#2




Brian...
Can you explain what you are trying to accomplish?
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Gary Campbell CNC Technology and Training The Ultimate Woodworking Machine GCnC411@gmail.com https://www.youtube.com/user/Islaww1/videos "There are 10 kinds of people in the world. Those that understand binary logic, and those who don't" 
#3




You would draw a circle, centred on the point you know, with a radius the same length as the line. Then draw a line from the known point to the intersection of the two circles, and you know that line will the the length you want.
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Russell Crawford Cobra 408 ATC with recoil Alberta, Canada www.cherryleafrustle.com 
#4




The attached file is a generalization of what I am doing. In this case I drew a half of a circle instead of a arch the lines will connect to. I then draw the other circles the diameter of the line length. Next I draw a line at the intersection of the smaller circles, this give me what I want. I was hoping there would be a better method. Is this what you were describing Russel?
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Brian O stinger III x3 vcarve pro 
#5




Using the circular copy array tool you can easily copy out the lines and circles using a common center point. You'll need to know the exact XY coordinate of the center point  Make your model space bigger and put a horizontal and vertical line in the center of the workspace to make crosshairs or just set the center of the model at 0,0 from the beginning.
Looking at your file it is possible to do what you want several different ways. When using the circular array tool, I find it best to put the line horizontal and then copy it out using the number of copies required. You can grab the corresponding circle in the copy as well. At first glance, it looks like you could also just create a polygon with the number of sides required at a specified radius (circumscribed in a circle)  the value will be the radius from the center to the points on the polygon. Standard CAD rules apply with this stuff....meaning, never draw more than you have to when you can use an array copy or mirror. I don't know what you are ultimately trying to do, but if your intention is to make a pattern, such as a sacred geometry type thing, be sure to be as precise as you can. Mirroring over can be helpful in lieu of other methods as well. B
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IBILD Solutions  High Definition 3D Laser Scanning Services  Advanced CNC Training and Consultation  Vectric Custom Video Training IBILD.com 
#6




Hello,
Are you trying to draw a chord of a fixed length inside a circle of a given diameter? http://www.mathcaptain.com/geometry/...acircle.html Kyle
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Kyle Joiner IPA LLC www.thinkipa.com Duluth, GA CAMaster Stinger 1 23 FTC, Laser Cross Hair Vectric V Carve Pro Remote Handheld Keypad Solid Edge ST10 
#7




Quote:
This is how I do it. 
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