Thank you for your replies. @NormandC: Please believe me, that I did. As the evidence I've provided link to a problem which I've found reading this forum and searching information about order of constraint. As it was pointed out my assumption was wrong - it's not about order of constraint (what I've...

Thank you for your prompt reply. Sorry if my question is trivial, but how do you know that one of the contours is not closed; how have you found that? I'm asking this question to avoid this kind of drawbacks in future.

Kind regards, mslonik

Thank you for very prompt reply. Is there any advised work-flow which let to omit this kind of drawback and confusion? I mean, for example, to put at first one kind of constraints before another? Or maybe there is best practise rule to verify a sketch?

Kind regards, mslonik

Dear Forum, I've found the following accompanying information at this forum: http://forum.freecadweb.org/viewtopic.php?t=13908&start=10 : However, users have also to learn to create robust sketches. Good constraints to use are: -Horizontal/vertical length. -Horizontal/vertical constraint. -Point...

Dear Forum, At first let me explain why do I entitled this thread as "another" confusion. Well, it's because I've found one very similar thread ( http://forum.freecadweb.org/viewtopic.php?t=9189 ). Let me show you my problem and ask you for advise. My example is pretty abstract ( Exercise5...

@bejant: Indeed thumbnails were switched off by default. Then I changed one of my project files, saved document and used Dolphin to see thumbnails. But there are no thumbnails at all. Next I've created completely new project containing just simple cube. Still no thumbnails. So it looks like jmaustpc...

Well, it seems that I was a bit too quick with posting at dev.opencascade.org. As I was informed: First of all, this is OCCT development forum, not OCE - it is unlikely you'll have some feedback from OCE developers on this forum (and OCE releases are not supported by Open CASCADE). The best way to r...

Look at your fcstd files in your operating system's standard file browser, i.e. in KDE "Dolphin" turn on thumb nail display which normally is by default, I think, for all file types, so when you look at a JPEG file etc. you see a thumb nail (small low resolution image of the image within ...

Ok, again thank you for your support. I've opened a thread about spotted problem also here: http://dev.opencascade.org/index.php?q=node/1150

Kind regards, mslonik

Just type RETURN into the "End tab, Ending Point: To define: X" Edit Line and "End tab, Ending Point: To define: Y" Edit Line in order to validate your changes and it will works It works :D That was trivial... Anyway I expected that after pressing "Apply" button select...