Light gantry

It is a lights gantry for 1 lane (rally) but can you use it for 2 lanes if you put 1 each side of the track.The set consists of 4 files,gantry,holder,cover and template.The pin holdong the gantry is not centered in order to eliminate the need for supports,i print it without any supports.The pin at the other corner is used to prevent the gantry from rotating on its base.The holder is loose and you tighten it witha small screw.The cover is what is says,if you dont mind the gantry being oopen you can ignore it.Finall the templste is used to drill the holes needed.