2S6M1 Tunguska-M1

A fully detailed external model of the 2S6M1 Tunguska-M1 self propelled anti-aircraft system (NATO report name SA-19 "Grison"). The 2S6M1 is the newest version of the Tunguska system and features an improved radar, thermal sight for the gunner, and uses an improved missile, the 9M311-M1.
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Its main armament other than eight 9M311-M1 missiles are two 2A38M cannons firing a 30x165mm shell that has a maximum range of 2 kilometres. The cannons have a combined firing rate of between 3,900 to 5,000 rounds per minute (1,950 to 2,500 rpm for each gun). The cannon rounds have an electric fuse meaning they will detonate once they reach the range at which the target is or they time out. The Tunguska uses the GM-5975 chassis that has a hydraulic suspension system, meaning it can adjust its ride height depending on circumstances or crew needs, the suspension also allows the vehicle to be a more stable firing platform.
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To create the model an extensive library of around 400 images was used. The main shape was derived from camera matching the model to images, and then the smaller details were placed according to the camera matched images. The high poly is made using a standard subdivision workflow from which the low poly was made, here the 3dsmax modifier stack and instance system helped immensely in quickly and efficiently creating a low poly model, as well as helping in unwrapping the large amount of model parts. The baking was done in marmoset where the model was exploded according to it's movable parts and occluding geometry was used in order to give the exploded parts some AO, as well as give some AO to the main hull and turret parts.
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Artwork by Leon Fotevski
https://www.artstation.com/leonf