import pymel.core as pm
import maya.cmds as m

def ccv(z):
    elen=range(len(list(z.e)))
    ptc=[]
    while len(elen)>0:
        el=pm.polySelect(z,elb=elen[0])
        elen=set(elen)-set(el)
        elen=list(elen)
        pt=pm.polyToCurve(f=0,dg=1)
        ptc=ptc+[pt[0]]
    return ptc


obj=pm.selected()
cv=[]
for x in obj:
    cv=cv+ccv(x)

circ=pm.circle(r=0.01,n='lineBold')
d=str(circ[0])
ext=[m.extrude(d,x,ch=1,rn=0,po=0,et=2,ucp=1,fpt=1,upn=1,ro=0,sc=1,rsp=1) for x in cv]
g1=pm.group(ext,n='extrudedSurface')
g2=pm.group(cv,n='extrudCurve')
pm.group([circ,g1,g2],n='Wireframes')