Mirroring Tool Problems

[adamdanska]

I am having a problem getting the mirroring tool to perfectly mirror on a 90 degree angle. I am mirroring on a perfectly straight horizontal line. When I have my object mirrored to the other side using the midpoint the mirrored object appears just above the line a few ticks not on the line itself.  This continues when I have the orthographic 90 degree setting on and off.  Any suggestions or update fixes? 

[adamdanska]

OK......UPDATE.....

I believe this is more of a snapping problem.  I keep having my snaps jump between an or or a fe 16ths of an inch any suggestions???

[WarrenGeissler]

Make sure snap is OFF (F9 in the Windows version) before starting a command. Newer versions will only enable snaps during a command operation.

[Kent1Cooper]

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@adamdanska wrote:

.... I am mirroring on a perfectly straight horizontal line. .... 

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It doesn't look  perfectly horizontal in the images.  It has the variation in brightness characteristic of pixelation on a Line that is very slightly off the horizontal.  LIST it or pick it and look at its Properties, and see whether there's a small Delta Y value other than zero.  Or make sure your angular units are set to show degrees minutes and seconds [not just rounded to the nearest degree], maybe even down into decimals of seconds, or several decimal places of decimal degrees, and see whether LIST or Properties shows the angle the Line runs at being something other than 0 or 180 degrees.

[gotphish001]

As kent said it doesn't look like it is square to begin with. Both arrow points aren't on the line and one is off more than the other. Are you sure the line is horizontal to begin with also or the UCS is turned a little? Can you post that part of the dwg so we can look? It's hard to trouble shoot an image.

[adamdanska]

So what I am finding, is that the other two gentleman are right.  The line was never straight to begin with.  (Be in mind that I am currently drafting on a Mac using High Sierra operating system) I am usually familiar with using the PC version however, What I am finding out now is that my when trying to draw a line straight from one object snap using the ortho tool I am drawing a line to meet perpendicular and am finding that the degree is snapping rapidly or faulting up a degree when meeting the perpendicular line.  Though I have found that not using the ortho mode has given me better results in creating the perpendicular lines I want. I am curious is this solely a Mac platform issue?