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1 Rhino Tutorial Accurate 2D drawing in Rhino 2 on Sat Sep 25, 2010 9:24 pm

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If you discovered this Rhinoceros 3D tutorial page through a direct link or search engine, please note that you're on page 2 of the tutorial! Please complete the previous page first if you haven't done so.
Select both lines [You must be registered and logged in to see this image.]
We will copy/rotate them two times by using the polar array function.

Go to transform/array/polar. You already selected the objects you want to array, so the command line will automatically ask you for the center point of the array. With end snap on, click on the corner of our two lines.

Then enter the number of times we want to copy the objects. In this case, enter 3.

Then enter 360 so the polar array will be built over 360° (a full circle).
[You must be registered and logged in to see this image.]
This should be the result. [You must be registered and logged in to see this image.]
Next draw the inner circle with radius 10. Make sure you start to draw from the center by using grid snap or end snap!![You must be registered and logged in to see this image.]
Select the triangle and click the 'hide' button to get it out of the way.[You must be registered and logged in to see this image.]
Select all the curves. [You must be registered and logged in to see this image.]
Click the trim button. [You must be registered and logged in to see this image.]
Now click on all the parts that should be removed. The result should be as in the image. When you're done, hit enter to shut down the trim command. [You must be registered and logged in to see this image.]
While all curves are still selected, click the join button to attach all segments to each other. [You must be registered and logged in to see this image.]
Right click on the hide button to unhide all objects. In this case, the triangle was hidden and will be visible again. [You must be registered and logged in to see this image.]
Draw a circle with radius 9 on the corners of the triangle (use end snap!).[You must be registered and logged in to see this image.]
Use the polyline tool to draw a line from the center point, 15 units long, downwards. This is a guide for our next circle.[You must be registered and logged in to see this image.]
Use end snap to draw the small circle with radius 4. [You must be registered and logged in to see this image.]
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