LEGO Digital Designer Oct 16, 2014 1:05:00 GMT in Reference Library Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by SkyFire on Oct 16, 2014 1:05:00 GMT To use .lxf and .ev3 files you will need the LEGO Digital Designer from the following website.ldd.lego.com/en-us/