create median curve of a two-dimensional geometry

[Bigtonno]

good morning to all boys, I am struggling with a relatively simple problem but to which I can't reach a solution, I have simple two-dimensional geometries of which I have to get the center (with the cnc machine I just have to make a single central and not perimetric pass) and I don't know how to get to the head, with the offsets it is a blood bath, I would be first to do all by hand but it is a workman and it seems to me good.
any of you, certainly better than me can you help me? Do I have to convert to spline first or do some weird magheggio?

 

[dieva]

good morning to all boys, I am struggling with a relatively simple problem but to which I can't reach a solution, I have simple two-dimensional geometries of which I have to get the center (with the cnc machine I just have to make a single central and not perimetric pass) and I don't know how to get to the head, with the offsets it is a blood bath, I would be first to do all by hand but it is a workman and it seems to me good.
any of you, certainly better than me can you help me? Do I have to convert to spline first or do some weird magheggio?
View attachment 48781

the offset can actually be useful only for circles and ellipses (the o).

if the figures are represented by polylinee, use the scanned command to transform them into simpler elements (lines and arches). then - if you can use the command "_join" or editpl - you can join strings and lines that define a open profile for each shape and then use the offset command.

the final touch up give it using the grips.

 

[Bigtonno]

the offset can actually be useful only for circles and ellipses (the o).

if the figures are represented by polylinee, use the scanned command to transform them into simpler elements (lines and arches). then - if you can use the command "_join" or editpl - you can join strings and lines that define a open profile for each shape and then use the offset command.

the final touch up give it using the grips.

Thanks for the answer!
Well, the geometries are already united in a polyline, the problem is that the offset still generates a double line that is what I want to try to avoid:

 

[dieva]

Thanks for the answer!
Well, the geometries are already united in a polyline, the problem is that the offset still generates a double line that is what I want to try to avoid:

use the command Exploding to transform a polylinea into simple lines and arches.

 

[Bigtonno]

use the command Exploding to transform a polylinea into simple lines and arches.

and all right, my hope was to find something "magical" that would find the middle line without going hand with offset and grip, I hoped too much you know

 

[prismacad]

a command that is very close to us, but that does not, I think, your case is linear that you find only from the 2017 version of autocad and that creates the line of half-carry once you select two lines.

 

[graziano-g]

Hey, what do you use on the car?