TRIANGULAR PATCH ANTENNAS

HI THERE
CAN SOMONE HELPE ME TO FIND DISERTATIONS FOR TRIANGULAR PATCH ANTENNAS AND RESANACES FREQUENCY FOR THES ANTENNAS AND APLLICATION FOR DEFERENT DOMINE
THINKS EN AVANCE

check out IEEE extensive literature is there..if y need some papers from there tell me

TRY RAMESH GARG BOOK ''''''''''''''''''

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I have to design a triangular patch atenna by HFSS but I cant find how I can draw a triangle! I tried to do this from Draw/Regular Polygon and chose segments as 3, yes there was a triangle, but I couldnt change any of its specifications and position parameters.
Could anyone help me?