Ok i have found that i can't change the multimatrix var inside the loop because openSCAD can't change variables. i am confused what to do ... hum. -- View this message in context: http://forum.openscad.org/How-can-i-use-multimatrix-in-a-loop-in-OpenSCAD-tp13564p13569.html Sent from the OpenSCAD mailing list archive at Nabble.com.