|1. A joint member for connection of a plurality of connecting tubes forming a space frame, said joint member comprising:
a plurality of acceptor ports, wherein each acceptor port comprises (i) an inner protrusion with an outer diameter less than
or equal to an inner diameter of a corresponding connecting tube of the space frame, said inner protrusion sized and shaped
to be inserted into an end of the corresponding connecting tube, (ii) an outer protrusion with an inner diameter greater than
or equal to an outer diameter of the corresponding connecting tube, said outer protrusion sized and shaped to fit over at
least a portion of an outer surface of the end of the corresponding connecting tube, and (iii) a seal disposed between the
inner and outer protrusions and extending around the outer diameter of the inner protrusion.