Thanks for pointing me to zita, Fons. I’d like to give it a go but I’m not shure how. Just run the command and the rest happens automatically? Where is zita documented? I couldn’t find a lot. Am 10.07.2016 um 18:54 schrieb Fons Adriaensen: > What is 'far' ? There’s walls inbetween I can’t fiddle with. That’s far enough. xan.