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Half-Life 2: Sacktick [PROP]

[THIS IS NOT A LEAKED MODEL, IT IS BASED OFF OF CONCEPT ART]
An NPC for the sacktick has been made! check out this addon:
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1097446344

This is an enemy that was meant to be in the cut Borealis chapter of HL2's early storyline.
It is a prop, which is fairly small since it is a parasite-like creature.
The model was made using Smoothie-3d and edited in Blender.

Valve - Concept Art
Jackson889 of Deviantart - Coloured version of concept art