If you call Show Points you will see that several Control Points are in a red square color!

That means that for any reason some are overlaped!

So redraw / Edit the curves or erase some control points...

A speedy process is select the curve(s) than Press Tab then write "Rebuild" ! ;)
(or REbuild rebuilD rebuild... etc but without spaces ;)
you can of course make a shortCut putting Rebuild in the second column !

It is easier to export to PDF, AI or EPS and then import from there.

Hi Marky, was this imported from CorelDraw using DXF format by any chance? If so there is a problem with how CorelDraw packages up the spline information in DXF format, it will be fixed up in the next upcoming MoI v4 beta.

For now use PDF format to transfer out from CorelDraw into MoI, that should work better and avoid the problem with control points stacked up on top of each other which is why those curves are not working well for you now.

- Michael

Thank you guys.
I never know what is the source of the file the clients send me and I'm aware of these red squares but I've never known how to deal with them.
The Rebuild command works sort of, as the red squares disappear, but a Planar surface is still a problem, see the attachment.

The PDF export procedure definitely does the trick, thanks a lot!

Hi Marky, was it a DXF file that they sent you?

- Michael

Hi Michael,

- yes, it was.
Please find attached.

But I'm not sure if it's only a CDR export to DXF issue, as often I use an Archicad export to DXF procedure and experience the same issue.
I know, that from Archicad v. 20 there is a direct file export to 3DM, but I own only v. 19 which doesn't have it yet.

Thanks,
Marek

Hi Marek, thanks for posting the file. That .dxf file will be imported ok with the next v4 beta, it has a fix for this problem.

- Michael

Hi Marky.
You can also use ai. Open a dxf with red dots, export it to ai, open or import ai.