import rhinoscriptsyntax as rs 

allobjs = rs.AllObjects()
rs.DeleteObjects(allobjs)

#J

initial = "J" 
hgt = 20
size = 15

mytext = rs.AddText(initial,(20,0,0),height=size)
crv = rs.ExplodeText(mytext,True)[0]
rs.SelectObject(crv)
#geht auch mit curve punkten 

#extrude 
rs.Command("_ExtrudeCrv Solid=No {} _Enter".format(hgt))
srf = rs.FirstObject(select=True)

#create contour in z direction + extrude (Bodenplatte)
rs.Command("_Contour 0,0,0 0,0,1 3.0 _Enter")
rs.Command("_ExtrudeCrv Solid=Yes 0.3 _Enter")

#create contour in x direction + pipe (Stuetzen)
rs.SelectObject(srf)
rs.Command("_Contour 0,0,0 1,0,0 2.0 _Enter")
rs.Command("_Pipe 0.2 _Enter")

rs.DeleteObject(srf)