If there is no better solution, this is not perfect but I hope it's a good approximation.
!NoteWorthyComposerClip(2.751,Single)
|Marker|Pos:-11|Target:Triplet
|User|TupletMarks.fso|Pos:6.5|span:5
|Note|Dur:16th,Triplet=First,Slur|Pos:-5|Opts:Stem=Up,Beam=First
|Note|Dur:16th,Triplet,Slur|Pos:-4|Opts:Stem=Up,Beam
|Note|Dur:16th,Triplet=End|Pos:-5|Opts:Stem=Up,Beam=End
|RestChord|Dur:16th|Opts:Stem=Down,HideRest|Dur2:8th,Staccato|Pos2:-3
|Text|Text:""|Font:StaffSymbols|Pos:1.5|Wide:Y|Placement:AtNextNote
|Rest|Dur:16th|Opts:VertOffset=-8|Visibility:Never
|Spacer|Width:250
|Note|Dur:8th,Staccato|Pos:-3|Opts:Stem=Up,Beam=First
|Note|Dur:8th,Staccato|Pos:-6|Opts:Stem=Up,Beam=End
|Bar
!NoteWorthyComposerClip-End