Having worked with gear design for several years I don't see the value of a very precise CAD approximation of the involute part of a gear because: 1. Gear teeth deform elastically. Even if a gear flanc is manufactured according to a perfect involute, when the gear operates under load, its teeth will...

Now, I don't know if it's correct that the index of the constraint is set to a negative value. If not DrawSketchHandlerLine/DrawSketchHandlerLineSet must be fixed. At least Sketch::getPointId() first should check if the geoId parameter is out of range and should return -1 if this is the case. If I ...

it is the version from Debian testing:

http://metadata.ftp-master.debian.org/c ... _changelog

ok it is fixed now.

you have a cyclic dependency in your document. After removing the object "Fen__tre" which causes the cyclic dependency and editing the invisible sketch, it reappears.

interesting. Normand could you give me a more concrete example? Having most of my CAD experience with ProE I am unable to imagine this use case.

Actually I wouldn't bother with making a request for this. With the current internal structure of FC that assumes only one object to be in Edit mode at the time, such a feature is not realistically feasible. Why would one need to edit two sketches simultaneously? Is this practice available in any ot...

There isn't but it is a good idea. In general I don't like auto-constraints very much and we have to tide up their current implementation in FreeCAD quite a bit.

Moving parts is a solution, but I think not the most productive one. I don't remember how this is done in ProE/Creo, I remember the method used in ANSYS, which gives you some handles to choose among all possible selection also among the hidden ones. It is an ok solution but not completely productive...

I'm still getting this ...or a similar.. build error on Kubuntu 12.04 building master now. I can see the above, Juergen committed 894529a2, (and then another b52de075). That's another error. The QByteArray object returned by toAscii() cannot be automatically assigned to a std::string. I don't why t...