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from __future__ import division
##############################################################################
#
# Copyright (c) 2003-2018 by The University of Queensland
# http://www.uq.edu.au
#
# Primary Business: Queensland, Australia
# Licensed under the Apache License, version 2.0
# http://www.apache.org/licenses/LICENSE-2.0
#
# Development until 2012 by Earth Systems Science Computational Center (ESSCC)
# Development 2012-2013 by School of Earth Sciences
# Development from 2014 by Centre for Geoscience Computing (GeoComp)
#
##############################################################################
__copyright__="""Copyright (c) 2003-2018 by The University of Queensland
http://www.uq.edu.au
Primary Business: Queensland, Australia"""
__license__="""Licensed under the Apache License, version 2.0
http://www.apache.org/licenses/LICENSE-2.0"""
__url__="https://launchpad.net/escript-finley"
from esys.escript import *
from esys.pycad import *
from esys.pycad.gmsh import Design
p0=Point(0.,0.,0.)
p1=Point(1.,0.,0.)
p2=Point(0.,1.,0.)
p3=Point(1.,1.,0.)
p4=Point(0.,0.,1.)
p5=Point(1.,0.,1.)
p6=Point(0.,1.,1.)
p7=Point(1.,1.,1.)
l01=Line(p0,p1)
l13=Line(p1,p3)
l32=Line(p3,p2)
l20=Line(p2,p0)
l45=Line(p4,p5)
l57=Line(p5,p7)
l76=Line(p7,p6)
l64=Line(p6,p4)
l15=Line(p1,p5)
l40=Line(p4,p0)
l37=Line(p3,p7)
l62=Line(p6,p2)
bottom=PlaneSurface(CurveLoop(l01,l13,l32,l20))
top=PlaneSurface(CurveLoop(l45,l57,l76,l64))
front=PlaneSurface(CurveLoop(l01,l15,-l45,l40))
back=PlaneSurface(CurveLoop(l32,-l62,-l76,-l37))
left=PlaneSurface(CurveLoop(-l40,-l64,l62,l20))
right=PlaneSurface(CurveLoop(-l15,l13,l37,-l57))
v=Volume(SurfaceLoop(top,-bottom,front,back,left,right))
des=Design(dim=3, order=2, element_size = 0.1, keep_files=True)
des.setScriptFileName("brick.geo")
des.addItems(v, top, bottom, back, front, left , right)
des.setFileFormat(des.STL)
des.setMeshFileName("brick.stl")
des.generate()
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