Thanks all!
Some of your tips were new to me and others I had found through extensive googling =) They are now all included in our search for good software.
The project is now off my desk and someone else will be responsible for actually evaluating the programs. The topic is thus concluded...
Thx Johnhors, Cadfix is now on my list on programs to evaluate.
Know of any more? This is a big project so we'd like to test and evaluate as many softwares as possible.
To extract a middle surface from a solid part can be extremely time consuming and most softwares I've tried which offer automatic extraction leaves me with a model that needs hours of work.
Any tips for programs that can handle automatic mid-surface extraction so I can compare with the ones I...