Stiching lines in AutoCad. How to create one?

[Anonymous]

Dear Forum Users,

I would like to ask you on how I could create lines in AutoCad that would resemble stitching lines that are used for leather works? My main issue is that I would like to create a line next to my main line, which is the leather edge, and the inner line, used for stitching, should be dotted,  and there should be a specific distance between the dots. I will attach a picture for you to understand what I would like to achieve. The goal should be to have a custom line offset to my main object, and this offset-ed line should have only dots on it where the dots are at a predetermined distance from one another. Could someone please help me with this? I would like to design my own leather projects in AutoCad and one of the most important aspect is to have a beautiful stitching line. Thank you.

[Patchy]

Would it be easier if you use measure a block of the stitch shape along the line or polyline, spline?

 

[Kent1Cooper]

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@Anonymous wrote:

.... The goal should be to have a custom line offset to my main object, and this offset-ed line should have only dots on it where the dots are at a predetermined distance from one another. ....

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You can use any of AutoCAD's DOT family of linetypes, and set the linetype scale to get the dot spacing you want.  It's just a matter of a multiplier on the spacing of the dots in the linetype definition [I'm not on an AutoCAD computer at the moment, so I don't know what that is, but it's easy to find in the .LIN file].

That assumes you really mean dots.  If you want squares like the holes in the picture, that would require a linetype to be defined, which should be a pretty simple adjustment to the FENCE-variety linetype that uses squares for the fence posts [omit the line between, adjust the spacing].  But in that case, the size of the squares would be locked in relation to their spacing, so if you increased the spacing the squares would also get bigger.  You could define different versions for different spacings relative to square size.

[Anonymous]

I am open to any suggestions regarding the stitching line. creation .The only issue I see with blocks is that if I print the pattern with blocks, I would have no idea where to put the pricking irons. So I would need a point, a dot, a round shape to which I can put the pointy end of the pricking iron. With the blocks, I currently do not see this point, so the stitching line would not be straight as I would have to determine the middle of the blocks with my eyes. Should there be a setting which would allow me to see the middle point of the blocks, and the distance between the middle of the blocks is adjustable and constant, this would be a viable option. Thank you very much for the suggestion. Do you think my suggestions can be implemented? Have a nice day 🙂

[Anonymous]

Thank you very much for your answer. Yes I would either need only dots, or dashes, but with dashes I would also need to set their length and also their angle. I would not even dream of using such a line as that looks to be way hard to define. The reason for dots and dashes is that the pricking iron I set on the leather has either a dash or a dot end. I will attach a screen so you can see it. Thank you for the suggestion, will try it.  Have a nice day!

[Kent1Cooper]

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@Kent1Cooper wrote:

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You can use any of AutoCAD's DOT family of linetypes, and set the linetype scale to get the dot spacing you want.  It's just a matter of a multiplier on the spacing of the dots in the linetype definition ....

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These are the definitions of the DOT linetype:

In ACAD.lin [imperial]:

*DOT,Dot . . . . . . . . . . . . . . . . . . . . . . . .
A,0,-.25

In ACADISO.lin [metric]:
*DOT,Dot . . . . . . . . . . . . . . . . . . . . . . . .
A, 0, -6.35

So if you use inches and the ACAD.lin file, at an effective linetype scale of 1, the dots will be 1/4" apart.  In the metric version, they will be 6.35 drawing units apart [mm or cm or whatever the drawing unit is set to be].  Apply a linetype scale to your Lines/Polylines/whatever, to scale that spacing to what you want.  [For example, again using inches, if you want them 1" apart, use a linetype scale of 4].  But that will be affected by the drawing's overall LTSCALE setting if that is other than 1.   Object linetype scale to apply to linework = desired dot spacing x drawing linetype scale ÷ 1/4" [or 6.35].