RegionUnion¶ Region covered by any of several regions. $ wo 'RegionUnion[Disk[], Disk[]]' Disk[{0, 0}] $ wo 'RegionUnion[Disk[], Disk[{1, 0}]]' BooleanRegion[#1 || #2 & , {Disk[{0, 0}], Disk[{1, 0}]}]