.PS
[
  [resistor(right_ 1.5); b_current(i)]
  {"\parbox[t]{1.75in}{\tt r{}esistor(right\_ 1.5)\\b\_current(i)}" \
    at last [].s+(0,-0.2) }
  [resistor(left_ 1.5); b_current(i)] with .nw at last [].sw + (0,-0.75)
  {"\parbox[t]{1.75in}{\tt r{}esistor(left\_ 1.5)\\b\_current(i)}" \
    at last [].s+(0,-0.2) }
  [resistor(right_ 1.5); b_current(i,below_)] with .nw at last [].sw + (0,-0.75)
  {"\parbox[t]{1.75in}{\tt r{}esistor(right\_ 1.5)\\b\_current(i,below\_)}" \
    at last [].s+(0,-0.2)}
]
[
  [resistor(left_ 1.5); b_current(i,below_)]
  {"\parbox[t]{1.75in}{\tt r{}esistor(left\_ 1.5)\\b\_current(i,below\_)}" \
    at last [].s+(0,-0.2)}
  [resistor(right_ 1.5); b_current(i,below)] with .nw at last [].sw + (0,-0.75)
  {"\parbox[t]{1.75in}{\tt r{}esistor(right\_ 1.5)\\b\_current(i,below)}" \
    at last [].s+(0,-0.2)}
  [resistor(left_ 1.5); b_current(i,below)] with .nw at last [].sw + (0,-0.75)
  {"\parbox[t]{1.75in}{\tt r{}esistor(left\_ 1.5)\\b\_current(i,below)}" \
    at last [].s+(0,-0.2)}
] with .nw at 1st [].ne+(0.5,0)
.PE