The voidmap1.zip file you have requested: Modifications / void / Voidmap - 285.07kb is not available. Perhaps try browsing all files for the game Quake and upload any files you want to share or are missing. This is the only information we could locate:
voidctf3.bsp - Just an example ctf map that is not meant for playing much. It shows ctf flags, base defense turrets, the flame thrower entity, and a few other things.