// current connections to current source
solidpen 255 0 0 0
moveto 30 30
lineto 20 20
moveto 30 50
lineto 20 40
moveto 30 70
lineto 20 60
// current source
solidpen 0 0 0 0
ellipse 12 12 28 28
ellipse 12 32 28 48
ellipse 12 52 28 68
// line to circle
moveto 0 20
lineto 12 20
moveto 0 40
lineto 12 40
moveto 0 60
lineto 12 60
// line through current source
moveto 20 12
lineto  20 28
moveto 20 32
lineto  20 58
moveto 20 52
lineto  20 68
// line from circle to star connection
moveto 28 20
lineto 50 20
moveto 28 40
lineto 50 40
moveto 28 60
lineto 50 60
// star connection
moveto 50 60
LineTo 50 20
//output voltage labels
label 55 30 U_1
label 55 50 U_2
label 55 70 U_3
label 55 90 U_0
// input voltage connection lines
solidpen 255 0 0 0
moveto -10 20
lineto 0 10
moveto -10 40
lineto 0 30
moveto -10 60
lineto 0 50
solidpen 255 0 0 2
lineto 0 0 
lineto 75 0
lineto 75 70
// connectio to output
solidpen 255 0 0 0
moveto 80 20
lineto 75 10
moveto 80 40
lineto 75 30
moveto 80 60
lineto 75 50
moveto 80 80
lineto 75 70
// current connections
solidpen 255 0 0 2
moveto 60 100
lineto 20 100
moveto 30 100
lineto 30 30
// arrow in voltage line
solidpen 255 0 0 2
moveto 30 -3
lineto 40 0
lineto 30 3 
// arrow in current line
solidpen 255 0 0 2
moveto 27 90
lineto 30 80
lineto 33 90