** Shares of Australia's Titomic Ltd TTT.AX rise as much as 5.9% to A$0.180, its biggest intraday pct gain since Dec. 11
** Metal additive manufacturer sells custom cold spray system to University of North Texas for research and industry collaboration
** Deal for A$1.1 mln ($696,850)
** Stock has risen 307% this year, as of 0020 GMT
($1 = 1.5785 Australian dollars)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com))