I finally found time to look into this. Yes, fvwm2 does support mutual window "snapping" from what I read (W00T!) here: http://fvwm.org/documentation/faq/#lining-up-your-windows-and-icons I have not (yet) tried it. On Wed, Jan 11, 2017 at 03:40:14PM +0000, Iznogoud wrote: > > Oh man you are ruining my life... as if I did not have enough projects. Welding > windows, as in, having distributive motion operators to move them by exactly the > same amount together, is a great idea.