diff --git a/src/Mod/Arch/Arch.py b/src/Mod/Arch/Arch.py
index 095fa62bc..328195361 100644
--- a/src/Mod/Arch/Arch.py
+++ b/src/Mod/Arch/Arch.py
@@ -30,10 +30,9 @@ __url__ = "http://www.freecadweb.org"
 #
 #  Architecture and BIM module
 #
-#  This module provides tools specialized in architectural and Building
-#  Information Modeling (BIM).
+#  This module provides tools specialized in Building Information Modeling (BIM).
 
-'''The Arch module provides tools specialized in architectural BIM modeling.'''
+'''The Arch module provides tools specialized in BIM modeling.'''
 
 import FreeCAD
 if FreeCAD.GuiUp:
@@ -62,3 +61,4 @@ from ArchServer import *
 from ArchMaterial import *
 from ArchSchedule import *
 from ArchPrecast import *
+from ArchPipe import *
diff --git a/src/Mod/Arch/CMakeLists.txt b/src/Mod/Arch/CMakeLists.txt
index d778e8ff4..2120f1c46 100644
--- a/src/Mod/Arch/CMakeLists.txt
+++ b/src/Mod/Arch/CMakeLists.txt
@@ -38,6 +38,7 @@ SET(Arch_SRCS
     import3DS.py
     ArchPrecast.py
     importSH3D.py
+    ArchPipe.py
 )
 
 SET(Dice3DS_SRCS
diff --git a/src/Mod/Arch/InitGui.py b/src/Mod/Arch/InitGui.py
index f12e4a699..1243de2b2 100644
--- a/src/Mod/Arch/InitGui.py
+++ b/src/Mod/Arch/InitGui.py
@@ -38,8 +38,8 @@ class ArchWorkbench(Workbench):
                      "Arch_Window","Arch_Roof","Arch_Axis",
                      "Arch_SectionPlane","Arch_Space","Arch_Stairs",
                      "Arch_Panel","Arch_Equipment",
-                     "Arch_Frame","Arch_Material","Arch_Schedule","Arch_CutPlane",
-                     "Arch_Add","Arch_Remove","Arch_Survey"]
+                     "Arch_Frame","Arch_Material","Arch_Schedule","Arch_PipeTools",
+                     "Arch_CutPlane","Arch_Add","Arch_Remove","Arch_Survey"]
         self.utilities = ["Arch_Component","Arch_SplitMesh","Arch_MeshToShape",
                      "Arch_SelectNonSolidMeshes","Arch_RemoveShape",
                      "Arch_CloseHoles","Arch_MergeWalls","Arch_Check",
diff --git a/src/Mod/Arch/Resources/Arch.qrc b/src/Mod/Arch/Resources/Arch.qrc
index f8ea1d051..fa7dad473 100644
--- a/src/Mod/Arch/Resources/Arch.qrc
+++ b/src/Mod/Arch/Resources/Arch.qrc
@@ -65,6 +65,9 @@
         <file>ui/preferences-dae.ui</file>
         <file>ui/ArchMaterial.ui</file>
         <file>ui/ArchSchedule.ui</file>
+        <file>icons/Arch_Pipe.svg</file>
+        <file>icons/Arch_Pipe_Tree.svg</file>
+        <file>icons/Arch_PipeConnector.svg</file>
         <file>ui/ParametersWindowDouble.svg</file>
         <file>ui/ParametersWindowSimple.svg</file>
         <file>ui/ParametersWindowFixed.svg</file>
diff --git a/src/Mod/Arch/Resources/icons/Arch_Pipe.svg b/src/Mod/Arch/Resources/icons/Arch_Pipe.svg
new file mode 100644
index 000000000..5b13d560e
--- /dev/null
+++ b/src/Mod/Arch/Resources/icons/Arch_Pipe.svg
@@ -0,0 +1,168 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="64px"
+   height="64px"
+   id="svg2821"
+   sodipodi:version="0.32"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="Part_Tube.svg"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape"
+   version="1.1">
+  <defs
+     id="defs2823">
+    <linearGradient
+       id="linearGradient4220">
+      <stop
+         style="stop-color:#756a33;stop-opacity:1"
+         offset="0"
+         id="stop4222" />
+      <stop
+         style="stop-color:#bc7d00;stop-opacity:1"
+         offset="1"
+         id="stop4224" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient3377">
+      <stop
+         id="stop3379"
+         offset="0"
+         style="stop-color:#faff2b;stop-opacity:1;" />
+      <stop
+         id="stop3381"
+         offset="1"
+         style="stop-color:#ffaa00;stop-opacity:1;" />
+    </linearGradient>
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(0.9818943,0.1894295,-0.4109427,2.1300924,-24.621424,-189.11511)" />
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
+       inkscape:vp_x="0 : 32 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="64 : 32 : 1"
+       inkscape:persp3d-origin="32 : 21.333333 : 1"
+       id="perspective2829" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-3"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(0.9818943,0.1894295,-0.4109427,2.1300924,-28.674047,-202.34148)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4169"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.0143165,-0.08041065,0.04751512,0.59936541,-67.402695,-30.945663)"
+       cx="85.582932"
+       cy="87.149673"
+       fx="85.582932"
+       fy="87.149673"
+       r="19.467436" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4169-6"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.0143165,-0.08041065,0.04751512,0.59936541,-71.548049,-32.500118)"
+       cx="85.582932"
+       cy="87.149673"
+       fx="85.582932"
+       fy="87.149673"
+       r="19.467436" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient4220"
+       id="radialGradient4218"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.0167202,0.0397987,-0.03173406,0.81069663,-58.918337,-64.385947)"
+       cx="85.416168"
+       cy="109.64997"
+       fx="85.416168"
+       fy="109.64997"
+       r="19.467436" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="3.8890873"
+     inkscape:cx="3.7968382"
+     inkscape:cy="28.214562"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     inkscape:document-units="px"
+     inkscape:grid-bbox="true"
+     inkscape:window-width="1360"
+     inkscape:window-height="741"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata2826">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer">
+    <g
+       id="g4226"
+       transform="matrix(0.34582702,-0.91061373,0.91061373,0.34582702,-6.4545082,44.78234)">
+      <path
+         sodipodi:nodetypes="ccscccc"
+         id="path3727"
+         d="m 5.286552,14.326369 c -0.232244,9.907966 0.02748,26.488757 -0.133929,36.272317 0,7.199781 9.212054,11.253999 21.040628,11.253999 11.82857,0 21.803122,-6.625506 21.803122,-11.253999 L 47.951773,14.50494 5.286592,14.326369 Z"
+         style="display:inline;overflow:visible;visibility:visible;opacity:1;fill:url(#radialGradient3699);fill-opacity:1;fill-rule:evenodd;stroke:#7b5600;stroke-width:2.20000005;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;enable-background:accumulate"
+         inkscape:connector-curvature="0" />
+      <ellipse
+         id="path3725"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:url(#radialGradient4169);fill-opacity:1;fill-rule:evenodd;stroke:#7b5600;stroke-width:2.2384975;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+         cx="26.572268"
+         cy="14.288702"
+         rx="21.307665"
+         ry="11.614998" />
+      <ellipse
+         id="path3725-4"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:url(#radialGradient4218);fill-opacity:1;fill-rule:evenodd;stroke:#7b5600;stroke-width:2.2384975;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+         cx="26.572268"
+         cy="14.288702"
+         rx="13.259309"
+         ry="7.2277675" />
+    </g>
+  </g>
+</svg>
diff --git a/src/Mod/Arch/Resources/icons/Arch_PipeConnector.svg b/src/Mod/Arch/Resources/icons/Arch_PipeConnector.svg
new file mode 100644
index 000000000..5ee3c1d3b
--- /dev/null
+++ b/src/Mod/Arch/Resources/icons/Arch_PipeConnector.svg
@@ -0,0 +1,262 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="64px"
+   height="64px"
+   id="svg2821"
+   sodipodi:version="0.32"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="Arch_Connector.svg"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape"
+   version="1.1">
+  <defs
+     id="defs2823">
+    <linearGradient
+       id="linearGradient4220">
+      <stop
+         style="stop-color:#756a33;stop-opacity:1"
+         offset="0"
+         id="stop4222" />
+      <stop
+         style="stop-color:#bc7d00;stop-opacity:1"
+         offset="1"
+         id="stop4224" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient3377">
+      <stop
+         id="stop3379"
+         offset="0"
+         style="stop-color:#faff2b;stop-opacity:1;" />
+      <stop
+         id="stop3381"
+         offset="1"
+         style="stop-color:#ffaa00;stop-opacity:1;" />
+    </linearGradient>
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
+       inkscape:vp_x="0 : 32 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="64 : 32 : 1"
+       inkscape:persp3d-origin="32 : 21.333333 : 1"
+       id="perspective2829" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-3"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(0.9818943,0.1894295,-0.4109427,2.1300924,-28.674047,-202.34148)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4169-6"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.0143165,-0.08041065,0.04751512,0.59936541,-71.548049,-32.500118)"
+       cx="85.582932"
+       cy="87.149673"
+       fx="85.582932"
+       fy="87.149673"
+       r="19.467436" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4169-0"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(0.98801597,-0.07832566,0.04628309,0.58382427,-116.38654,-40.071272)"
+       cx="85.582932"
+       cy="87.149673"
+       fx="85.582932"
+       fy="87.149673"
+       r="19.467436" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient4220"
+       id="radialGradient4218-0"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(0.99035734,0.03876675,-0.03091122,0.78967582,-99.291502,-73.974414)"
+       cx="85.416168"
+       cy="109.64997"
+       fx="85.416168"
+       fy="109.64997"
+       r="19.467436" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-1"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-142.84567,171.34443)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-2"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-142.84567,171.34443)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-7"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-142.84567,171.34443)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-36"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-142.84567,171.34443)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-31"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-142.84567,171.34443)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-8"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-142.84567,171.34443)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-361"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-142.84567,171.34443)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4433"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-265.2002,148.78323)"
+       cx="56.159355"
+       cy="143.88036"
+       fx="56.159355"
+       fy="143.88036"
+       r="19.467436" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4435"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-0.6375713,0.7364214,-1.8158844,-1.5721376,338.9142,217.03026)"
+       cx="47.467945"
+       cy="152.64552"
+       fx="47.467945"
+       fy="152.64552"
+       r="19.467436" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4437"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-0.27414899,-0.93469566,2.0277011,-0.59473072,-265.2002,148.78323)"
+       cx="-11.352845"
+       cy="162.65045"
+       fx="-11.352845"
+       fy="162.65045"
+       r="19.467436" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="1.375"
+     inkscape:cx="30.867588"
+     inkscape:cy="37.584098"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     inkscape:document-units="px"
+     inkscape:grid-bbox="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1053"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata2826">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer">
+    <path
+       style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:url(#radialGradient4435);fill-opacity:1;fill-rule:evenodd;stroke:#7b5600;stroke-width:2.14295554;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate;filter-blend-mode:normal;filter-gaussianBlur-deviation:0"
+       d="m 21.050157,6.1450686 0,22.9643384 a 17.630587,17.630587 0 0 1 14.830473,17.384108 17.630587,17.630587 0 0 1 -0.0468,0.934216 l 22.81894,0 A 40.449783,40.449783 0 0 0 58.69957,46.493515 40.449783,40.449783 0 0 0 21.050157,6.1450686 Z"
+       id="path4333"
+       inkscape:connector-curvature="0" />
+    <rect
+       style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:url(#radialGradient4433);fill-opacity:1;fill-rule:evenodd;stroke:#7b5600;stroke-width:2.14295554;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate;filter-blend-mode:normal;filter-gaussianBlur-deviation:0"
+       id="rect4372"
+       width="11.185143"
+       height="23.270241"
+       x="3.4712515"
+       y="5.5029845" />
+    <rect
+       style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:url(#radialGradient4437);fill-opacity:1;fill-rule:evenodd;stroke:#7b5600;stroke-width:2.14295554;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate;filter-blend-mode:normal;filter-gaussianBlur-deviation:0"
+       id="rect4376"
+       width="22.884546"
+       height="8.0995865"
+       x="35.741035"
+       y="53.071987" />
+  </g>
+</svg>
diff --git a/src/Mod/Arch/Resources/icons/Arch_Pipe_Tree.svg b/src/Mod/Arch/Resources/icons/Arch_Pipe_Tree.svg
new file mode 100644
index 000000000..ed42cabb4
--- /dev/null
+++ b/src/Mod/Arch/Resources/icons/Arch_Pipe_Tree.svg
@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="64px"
+   height="64px"
+   id="svg2821"
+   sodipodi:version="0.32"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="Arch_Pipe_Tree.svg"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape"
+   version="1.1">
+  <defs
+     id="defs2823">
+    <linearGradient
+       id="linearGradient4220">
+      <stop
+         style="stop-color:#756a33;stop-opacity:1"
+         offset="0"
+         id="stop4222" />
+      <stop
+         style="stop-color:#bc7d00;stop-opacity:1"
+         offset="1"
+         id="stop4224" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient3377">
+      <stop
+         id="stop3379"
+         offset="0"
+         style="stop-color:#faff2b;stop-opacity:1;" />
+      <stop
+         id="stop3381"
+         offset="1"
+         style="stop-color:#ffaa00;stop-opacity:1;" />
+    </linearGradient>
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
+       inkscape:vp_x="0 : 32 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="64 : 32 : 1"
+       inkscape:persp3d-origin="32 : 21.333333 : 1"
+       id="perspective2829" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient3699-3"
+       gradientUnits="userSpaceOnUse"
+       cx="76.383331"
+       cy="94.369568"
+       fx="76.383331"
+       fy="94.369568"
+       r="19.467436"
+       gradientTransform="matrix(0.9818943,0.1894295,-0.4109427,2.1300924,-28.674047,-202.34148)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient3377"
+       id="radialGradient4169-6"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.0143165,-0.08041065,0.04751512,0.59936541,-71.548049,-32.500118)"
+       cx="85.582932"
+       cy="87.149673"
+       fx="85.582932"
+       fy="87.149673"
+       r="19.467436" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="3.8890873"
+     inkscape:cx="-38.115309"
+     inkscape:cy="28.214562"
+     inkscape:current-layer="g4226"
+     showgrid="true"
+     inkscape:document-units="px"
+     inkscape:grid-bbox="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1053"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata2826">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer">
+    <g
+       id="g4226"
+       transform="matrix(0.34582702,-0.91061373,0.91061373,0.34582702,-6.4545082,44.78234)">
+      <path
+         sodipodi:nodetypes="ccscccc"
+         id="path3727"
+         d="m 5.286552,14.326369 c -0.232244,9.907966 0.02748,26.488757 -0.133929,36.272317 0,7.199781 9.212054,11.253999 21.040628,11.253999 11.82857,0 21.803122,-6.625506 21.803122,-11.253999 L 47.951773,14.50494 5.286592,14.326369 Z"
+         style="display:inline;overflow:visible;visibility:visible;opacity:1;fill:#ffffff;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:2.20000005;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;enable-background:accumulate"
+         inkscape:connector-curvature="0" />
+      <ellipse
+         id="path3725"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#ffffff;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:2.2384975;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+         cx="26.572268"
+         cy="14.288702"
+         rx="21.307665"
+         ry="11.614998" />
+      <ellipse
+         id="path3725-4"
+         style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#787878;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:2.2384975;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;marker-start:none;marker-mid:none;marker-end:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+         cx="26.572268"
+         cy="14.288702"
+         rx="13.259309"
+         ry="7.2277675" />
+    </g>
+  </g>
+</svg>
diff --git a/src/Mod/Arch/Resources/ui/preferences-archdefaults.ui b/src/Mod/Arch/Resources/ui/preferences-archdefaults.ui
index 74cc35fc8..6833bfad5 100644
--- a/src/Mod/Arch/Resources/ui/preferences-archdefaults.ui
+++ b/src/Mod/Arch/Resources/ui/preferences-archdefaults.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>572</width>
-    <height>659</height>
+    <width>510</width>
+    <height>711</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -948,6 +948,61 @@
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_7">
+     <property name="title">
+      <string>Pipes</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_7">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_12">
+        <item>
+         <widget class="QLabel" name="label_25">
+          <property name="text">
+           <string>Diameter:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="Gui::PrefDoubleSpinBox" name="doubleSpinBox_7">
+          <property name="suffix">
+           <string>mm</string>
+          </property>
+          <property name="decimals">
+           <number>2</number>
+          </property>
+          <property name="maximum">
+           <double>999999.989999999990687</double>
+          </property>
+          <property name="value">
+           <double>50.000000000000000</double>
+          </property>
+          <property name="prefEntry" stdset="0">
+           <cstring>PipeDiameter</cstring>
+          </property>
+          <property name="prefPath" stdset="0">
+           <cstring>Mod/Arch</cstring>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer_17">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
   </layout>
  </widget>
  <layoutdefault spacing="6" margin="11"/>