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		| Paper: | 
		Lights in the Shadows, 3D-Modelling Knots with MOCASSIN | 
	 
	
		| Volume: | 
		313, Asymmetrical Planetary Nebulae III | 
	 
	
		| Page: | 
		240 | 
	 
	
		| Authors: | 
		Morisset, C.; Ercolano, B. | 
	 
	
	
		| Abstract: | 
		Most of the envelopes of Planetary Nebulae (and other objects like novae) are far from beeing homogeneous: clumps, knots and tails are often observed. We present here the first attempt to build a 3D-photoionization model of a knot and the corresponding tail, ionized by diffused radiation issuing from surrounding material. | 
	 
	
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