Substance Challenge - Sewer Drain

My entry for the Bi-Weekly Substance Challenge, the topic of this challenge was "Sewer Drain".

The Polycount thread can be found here: http://polycount.com/discussion/184104/the-bi-weekly-substance-challenge-challenge-3-4

Martin de graaf substance challenge sewer drain substance plane martin de graaf 2017
Martin de graaf substance challenge sewer drain substance martin de graaf 2017
Martin de graaf substance challenge sewer drain substance plane2 martin de graaf 2017
Martin de graaf substance challenge sewer drain substance texturesheet martin de graaf 2017