In[]:=
setA={-200-120
u
a
+240
v
a
+125
u
a
v
a
,-100+560
u
a
+150
v
a
-230
u
a
v
a
,50+70
u
a
-125
v
a
-95
u
a
v
a
};
In[]:=
setB={-135+270
u
b
+145
v
b
-80
u
b
v
b
,200-110
u
b
-60
v
b
+90
u
b
v
b
,-100+175
u
b
-80
v
b
-45
u
b
v
b
};
In[]:=
Show[{ParametricPlot3D[setA,{
u
a
,0,1},{
v
a
,0,1}],ParametricPlot3D[setB,{
u
b
,0,1},{
v
b
,0,1}]},PlotRange->All]
Out[]=