Incorrect export to .dwg

Rhino Rhino for Windows
1

I export my model to .dwg, import it back to Rhino and see this:
2020-08-17_192659

2020-08-17_192802
2020-08-17_192802851×560 162 KB

Why? How to fix it? Has anyone come across?

2

Hello - if that is a single planar surface, DupBorder, PlanarSrf from the results and replace your surface with that. Otherwise, post the file…

-Pascal

1 Like
3

Check it out!
Error.3dm (4.3 MB)
Error.dwg (849.4 KB)

4

Hello - it looks like that face in the original file is not quite planar.
Top view:

image
image1188×457 1.72 KB

-Pascal

1 Like
5

You are right

6

So, I don’t understand something at all, if I import .3dm into AutoCAD, then everything is fine, if I import a .dwg created in AutoCAD (or Rhino) into Rhino, then everything is bad. What’s the matter?

7

Rhino cares more!
I don’t know, perhaps a tolerance difference…

-Pascal

1 Like