How Do You Draw a 45 Degree Angle in Autocad
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2013-09-09,04:13 PM #1
Member
drawing lines in profile at real pipe fitting angles how do I draw say, a 45 degree angle in profile with a scale exageration?
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2013-09-09,04:59 PM #2
Re: drawing lines in profile at real pipe fitting angles well, that would depend on the amount of exaggeration. At a vertical exaggeration of 5, for a 45d bend, you could draw a line from a base point using "@1,5" to set the angle. For a 22.5d bend, you could double the X distance and maintain the vertical distance.
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2013-09-09,07:28 PM #3
Member
Re: drawing lines in profile at real pipe fitting angles 
Originally Posted by cadtag 
well, that would depend on the amount of exaggeration. At a vertical exaggeration of 5, for a 45d bend, you could draw a line from a base point using "@1,5" to set the angle. For a 22.5d bend, you could double the X distance and maintain the vertical distance.
thank you,
I was figuring that there was a bit more elegant solution. I also need to draw 1,5,and11.25,22,5 & 45 deg deflections and bends.
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2013-09-10,03:25 PM #4
Re: drawing lines in profile at real pipe fitting angles You can convert the angle in degrees to a grade(rise/run) using trigonometry. The TAN of the angle is equal to the grade.
For example, the TAN of 22.5d is 0.4142 results in a grade of 41.42%. You would draw this in AutoCAD using @100,41.42.
If your profile has a vertical exaggeration apply it to the grade. For example, if your profile is exaggerated 10 times you would use @100,414.2.
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2013-09-12,10:43 PM #5
Member
Re: drawing lines in profile at real pipe fitting angles thanks for the great answers....
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2013-09-18,03:29 PM #6
Active Member
Re: drawing lines in profile at real pipe fitting angles Maybe this was not the best way to do it, but I created a block of a bend and then exaggerated the y scale by the amount the profile is exaggerated. I figured since a profile is exaggerated along the y axis then it stands to reason a bend should be exaggerated the same way.
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2013-11-08,01:51 AM #7
Member
Re: drawing lines in profile at real pipe fitting angles that is simular to what i ended up doing. drew a bunch of lines at the various angles all centered around the mid point. when done, looks like a see urchin. then create a block. then i can use the urchin in plan view as well, stretch the Y by scale exageration, i.e. 10 for most of our work.
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2015-06-24,05:30 PM #8
Member
Re: drawing lines in profile at real pipe fitting angles Great Trig Work! You can also continue formula by ending jpaulsen with the arc tangent:
You can convert the angle in degrees to a grade(rise/run) using trigonometry. The TAN of the angle is equal to the grade.
For example, the TAN of 22.5d is 0.4142 x profile vertical exaggeration 10/ft =4.142 2ND function arc tan=76.427
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2015-06-24,05:34 PM #9
Member
Re: drawing lines in profile at real pipe fitting angles Great Trig Work! You can also continue formula by ending jpaulsen with the arc tangent:
You can convert the angle in degrees to a grade(rise/run) using trigonometry. The TAN of the angle is equal to the grade.
For example, the TAN of 22.5d is 0.4142 x profile vertical exaggeration 10/ft =4.142 2ND function arc tan=76.427
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2015-06-24,10:38 PM #10
Re: drawing lines in profile at real pipe fitting angles Or.....
Draw your geometry 1:1 at the required angles.
Then make it into a block
Insert the block at the required unequal scales.
Source: https://forums.augi.com/showthread.php?151747-drawing-lines-in-profile-at-real-pipe-fitting-angles
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