khob,
ehtemalan line hat ba ham weld nashodan.
yeki az khat haye dore(masalan hoz) entekhab kon, boro ghesmat modify , kelid Attach ro(too ghesmat geometry) bezan , baghie khotoote doresho entekhab kon , Attach ro khamoosh kon , boro balatar too ghesmat selection vertex ro bezan , Ctrl+A ro...