The aty3dm3.zip file you have requested: Maps Levels Missions / Deathmatch / A Titles / Q3 Map: Angularity (Final) - 4.48mb is not available. Perhaps try browsing all files for the game Quake III Arena and upload any files you want to share or are missing. This is the only information we could locate:
Kaustic's Quake 3 Deathmatch map called Angularity has reached final version. The map was originally built with InstaUnlagged and OSP in mind, with faster game speeds for rail jump and hook use.