3dm files convert to dwg files

i export arc from rhino program to dwg file .

and file exported like this photo…

(lots of short lines…)

how can i export to one single arc?


R12 Lines And Arcs” seems to work here.

thank you very much!

would you plz help me one more time?

what about this one?1212.3dm (65.6 KB)

You have to reset Rhino’s default DWG/DFX settings. This is what I use for laser cutting. First I run the convert command to convert my sketch to lines and arcs. Then I export as a dwg with these settings.