I'm not an expert in plumbing, but, here we goes!		
				
			
					
	 
	
	
	
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			It's from the former me who apparently don't care much about detail. Oh, come on, it's 2011, I'm 12 back then. 
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			+1, your on the right track, but if you want more votes from others, i suggest using zoom and shift for good edges and lines, people apparently dont vote on conceptual saves, unfortunatly