COMMENT ⊗   VALID 00002 PAGES 
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 00002 00002	{JCFC} FIGURE 5.4  -  FETCH NEXT FACE-PIERCING VERTEX.
 00003 ENDMK
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{JCFC} FIGURE 5.4  -  FETCH NEXT FACE-PIERCING VERTEX.
{JUFA;I∂150,0;X0.7,0.4;

I∂0,315;H1;*54.1;H4;*54.2;
↓;I∂0,∂-96;C6;} V1{↑
↓;I∂-1,∂223;C6;I∂10,∂-45;}V2{↑
↓;I∂-100,∂-120;}F1{↑
↓;I∂50,∂100;}F2{↑

I∂0,945;H1;*54.3;H4;*54.4;
↓;I∂5,∂-150;C6;} V1{↑;
↓;I∂12,∂239;C6;I∂10,∂-45;}V2{↑;
↓;I∂-100,∂-85;}F1{↑;
↓;I∂50,∂-100;}F2{↑;

I∂150,0;W0,630;JCFA} Edge of F1 pierces F2 at V2. {I∂0,630;
W630,1260;JCFA} Edge of F2 pierces F1 at V2. {W0,1260;λ30;I∂25,0;JUFA}