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Thread: Drawing Compound Angled holes with 3D CAD

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    rgsparber's Avatar
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    Drawing Compound Angled holes with 3D CAD

    I use Alibre PE Computer Aided Design software. Recently I wanted to draw a hole in a cylinder that was at a specified angle from two axes. After much head scratching, I figured out one way to do it. Undoubtedly, there are many other ways to do this same thing.

    http://rick.sparber.org/aca.pdf

    Although the procedure was developed for Alibre, the logic behind it should apply to any 3D CAD program.

    Rick

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    Thanks Rick! I've added your Compound Angled Hole Drawing Method to our Miscellaneous category, as well as to your builder page: Rick Sparber's Homemade Tools. Your receipt:


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    Ron B's Tools
    Quote Originally Posted by rgsparber View Post
    I use Alibre PE Computer Aided Design software. Recently I wanted to draw a hole in a cylinder that was at a specified angle from two axes. After much head scratching, I figured out one way to do it. Undoubtedly, there are many other ways to do this same thing.

    http://rick.sparber.org/aca.pdf

    Although the procedure was developed for Alibre, the logic behind it should apply to any 3D CAD program.

    Rick
    I spent 3 years at technical colledge in drawing class learning how to draw elipses etc in oblique projection ,using a pencil,a ruler and pair of dividers and now...We can simply draw it with a mouse..ha ha .
    Sheet metal workers up to the 1970's were taught to do this as part of their trade . Ever noticed the connections of small pipes to larger flues at strange angles in industrial plants? Someone had to figure that out before it was made. A source for the various methods of projection can be found in trade related text books of the 1940's.


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