As Roger says, use the Move command. On a PC if you press Control it will duplicate the item.
Don't forget to 'Flip along axis' accessed by right clicking the item when you have duplicated it.
@LR103
@starfish
I can't post an STL file here so...
https://www.thingiverse.com/thing:6272933/files
The Gcode file prints the stick upside down to minimise supports