Положите в garrysmod\garrysmod\data\adv_duplicator

У вас должны быть установлены :

Jumper V3 by RononDex

http://www.garrysmod.org/downloads/?a=view&id=90309

Stargate Mod by aVoN
http://www.garrysmod.org/downloads/?a=view&id=72250

Stargate Pack

Cloaking, Shields, and three squares
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Credits :

-RononDex for the Jumper
-aVoN, votekick for the model !