This is a post by Dave Martin on the PTC site.
At LiveWorx 19, Pete Hollmer from Raytheon delivered an immensely compelling presentation with the provocative title “The Worst Assembly in the World.”
The objective was to take an assembly of medium complexity, which regenerated in about a minute, and get it to take over an hour to complete by making inadvisable changes to it.
Pete used a dozen different methods and evaluated the impact. It’s an interesting study of which product design techniques had the worst effect on regeneration time – and file size as well.
The most interesting lessons for me were the practices that I always believed adversely impact regeneration time, but don’t – or at least not anymore, due to improvements in the Creo Parametric software: