Thus, in a right triangular assembly of three connector elements, in which {HEAD ~ two rod elements} of {TAIL ~ length Lx} form sides, a rod element of the next larger size forms a hypotenuse 
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Thus , in a right triangular assembly of three connector elements , in which { HEAD ~ two rod elements } of { TAIL ~ length Lx } form sides , a rod element of the next larger size forms a hypotenuse
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH