diff --git a/mods/nodes/depends.txt b/mods/nodes/depends.txt
new file mode 100644
index 0000000..9a6c92b
--- /dev/null
+++ b/mods/nodes/depends.txt
@@ -0,0 +1,2 @@
+walls
+screwdriver
diff --git a/mods/nodes/init.lua b/mods/nodes/init.lua
index 81addb7..4b37502 100644
--- a/mods/nodes/init.lua
+++ b/mods/nodes/init.lua
@@ -104,6 +104,7 @@ for _, v in pairs(nodes) do
 	})
 	if v[2] then
 		make_stair_slab(v[1], {node = 1}, "", "")
+		walls.register("nodes:" .. v[1] .. "_wall", v[1] .. "Wall", v[1] .. ".png", nil) -- default.node_sound_stone_defaults())
 	end
 
 end
diff --git a/mods/walls/README.txt b/mods/walls/README.txt
new file mode 100644
index 0000000..0389174
--- /dev/null
+++ b/mods/walls/README.txt
@@ -0,0 +1,7 @@
+Minetest Game mod: walls
+========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Auke Kok <sofar@foo-projects.org> (LGPL 2.1)
diff --git a/mods/walls/depends.txt b/mods/walls/depends.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/mods/walls/depends.txt
@@ -0,0 +1 @@
+
diff --git a/mods/walls/init.lua b/mods/walls/init.lua
new file mode 100644
index 0000000..30d50ef
--- /dev/null
+++ b/mods/walls/init.lua
@@ -0,0 +1,27 @@
+walls = {}
+
+walls.register = function(wall_name, wall_desc, wall_texture, wall_sounds)
+	-- inventory node, and pole-type wall start item
+	minetest.register_node(wall_name, {
+		description = wall_desc,
+		drawtype = "nodebox",
+		node_box = {
+			type = "connected",
+			fixed = {{-1/4, -1/2, -1/4, 1/4, 1/2, 1/4}},
+			-- connect_bottom =
+			connect_front = {{-3/16, -1/2, -1/2,  3/16, 3/8, -1/4}},
+			connect_left = {{-1/2, -1/2, -3/16, -1/4, 3/8,  3/16}},
+			connect_back = {{-3/16, -1/2,  1/4,  3/16, 3/8,  1/2}},
+			connect_right = {{ 1/4, -1/2, -3/16,  1/2, 3/8,  3/16}},
+		},
+		connects_to = { "group:wall", "group:node" },
+		paramtype = "light",
+		is_ground_content = false,
+		tiles = { wall_texture, },
+		walkable = true,
+		groups = { node = 1, wall = 1 },
+		sounds = wall_sounds,
+	})
+
+end
+
diff --git a/mods/walls/license.txt b/mods/walls/license.txt
new file mode 100644
index 0000000..ccfaf1c
--- /dev/null
+++ b/mods/walls/license.txt
@@ -0,0 +1,14 @@
+License of source code
+----------------------
+
+GNU Lesser General Public License, version 2.1
+Copyright (C) 2015 Auke Kok <sofar@foo-projects.org>
+
+This program is free software; you can redistribute it and/or modify it under the terms
+of the GNU Lesser General Public License as published by the Free Software Foundation;
+either version 2.1 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Lesser General Public License for more details:
+https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
diff --git a/mods/xpanes/README.txt b/mods/xpanes/README.txt
new file mode 100644
index 0000000..bcbc129
--- /dev/null
+++ b/mods/xpanes/README.txt
@@ -0,0 +1,21 @@
+Minetest Game mod: xpanes
+=========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Originally by xyz (MIT)
+BlockMen (MIT)
+sofar (MIT)
+Various Minetest developers and contributors (MIT)
+
+Authors of media (textures)
+---------------------------
+xyz (CC BY-SA 3.0):
+  All textures not mentioned below.
+
+Gambit (CC BY-SA 3.0):
+  xpanes_bar.png
+
+paramat (CC BY-SA 3.0):
+  xpanes_bar_top.png
diff --git a/mods/xpanes/depends.txt b/mods/xpanes/depends.txt
new file mode 100644
index 0000000..3a2d9d5
--- /dev/null
+++ b/mods/xpanes/depends.txt
@@ -0,0 +1 @@
+nodes
diff --git a/mods/xpanes/init.lua b/mods/xpanes/init.lua
new file mode 100644
index 0000000..cc3d234
--- /dev/null
+++ b/mods/xpanes/init.lua
@@ -0,0 +1,155 @@
+
+local function is_pane(pos)
+	return minetest.get_item_group(minetest.get_node(pos).name, "pane") > 0
+end
+
+local function connects_dir(pos, name, dir)
+	local aside = vector.add(pos, minetest.facedir_to_dir(dir))
+	if is_pane(aside) then
+		return true
+	end
+
+	local connects_to = minetest.registered_nodes[name].connects_to
+	if not connects_to then
+		return false
+	end
+	local list = minetest.find_nodes_in_area(aside, aside, connects_to)
+
+	if #list > 0 then
+		return true
+	end
+
+	return false
+end
+
+local function swap(pos, node, name, param2)
+	if node.name == name and node.param2 == param2 then
+		return
+	end
+
+	minetest.set_node(pos, {name = name, param2 = param2})
+end
+
+local function update_pane(pos)
+	if not is_pane(pos) then
+		return
+	end
+	local node = minetest.get_node(pos)
+	local name = node.name
+	if name:sub(-5) == "_flat" then
+		name = name:sub(1, -6)
+	end
+
+	local any = node.param2
+	local c = {}
+	local count = 0
+	for dir = 0, 3 do
+		c[dir] = connects_dir(pos, name, dir)
+		if c[dir] then
+			any = dir
+			count = count + 1
+		end
+	end
+
+	if count == 0 then
+		swap(pos, node, name .. "_flat", any)
+	elseif count == 1 then
+		swap(pos, node, name .. "_flat", (any + 1) % 4)
+	elseif count == 2 then
+		if (c[0] and c[2]) or (c[1] and c[3]) then
+			swap(pos, node, name .. "_flat", (any + 1) % 4)
+		else
+			swap(pos, node, name, 0)
+		end
+	else
+		swap(pos, node, name, 0)
+	end
+end
+
+minetest.register_on_placenode(function(pos, node)
+	if minetest.get_item_group(node, "pane") then
+		update_pane(pos)
+	end
+	for i = 0, 3 do
+		local dir = minetest.facedir_to_dir(i)
+		update_pane(vector.add(pos, dir))
+	end
+end)
+
+minetest.register_on_dignode(function(pos)
+	for i = 0, 3 do
+		local dir = minetest.facedir_to_dir(i)
+		update_pane(vector.add(pos, dir))
+	end
+end)
+
+xpanes = {}
+function xpanes.register_pane(name, def)
+	local flatgroups = table.copy(def.groups)
+	flatgroups.pane = 1
+	minetest.register_node(":xpanes:" .. name .. "_flat", {
+		description = def.description,
+		drawtype = "nodebox",
+		paramtype = "light",
+		is_ground_content = false,
+		sunlight_propagates = true,
+		inventory_image = def.inventory_image,
+		wield_image = def.wield_image,
+		paramtype2 = "facedir",
+		tiles = {def.textures[3], def.textures[3], def.textures[1]},
+		groups = flatgroups,
+		drop = "xpanes:" .. name .. "_flat",
+		sounds = def.sounds,
+		node_box = {
+			type = "fixed",
+			fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
+		},
+		selection_box = {
+			type = "fixed",
+			fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
+		},
+		connect_sides = { "left", "right" },
+	})
+
+	local groups = table.copy(def.groups)
+	groups.pane = 1
+	groups.not_in_creative_inventory = 1
+	minetest.register_node(":xpanes:" .. name, {
+		drawtype = "nodebox",
+		paramtype = "light",
+		is_ground_content = false,
+		sunlight_propagates = true,
+		description = def.description,
+		tiles = {def.textures[3], def.textures[3], def.textures[1]},
+		groups = groups,
+		drop = "xpanes:" .. name .. "_flat",
+		sounds = def.sounds,
+		node_box = {
+			type = "connected",
+			fixed = {{-1/32, -1/2, -1/32, 1/32, 1/2, 1/32}},
+			connect_front = {{-1/32, -1/2, -1/2, 1/32, 1/2, -1/32}},
+			connect_left = {{-1/2, -1/2, -1/32, -1/32, 1/2, 1/32}},
+			connect_back = {{-1/32, -1/2, 1/32, 1/32, 1/2, 1/2}},
+			connect_right = {{1/32, -1/2, -1/32, 1/2, 1/2, 1/32}},
+		},
+		connects_to = {"group:pane", "group:node"},
+	})
+end
+
+xpanes.register_pane("pane", {
+	description = "Glass Pane",
+	textures = {"default_glass.png","xpanes_pane_half.png","xpanes_white.png"},
+	inventory_image = "default_glass.png",
+	wield_image = "default_glass.png",
+	--sounds = default.node_sound_glass_defaults(),
+	groups = {node = 1},
+})
+
+xpanes.register_pane("bar", {
+	description = "Iron bar",
+	textures = {"xpanes_bar.png","xpanes_bar.png","xpanes_bar_top.png"},
+	inventory_image = "xpanes_bar.png",
+	wield_image = "xpanes_bar.png",
+	--sounds = default.node_sound_metal_defaults(),
+	groups = {node = 1},
+})
diff --git a/mods/xpanes/license.txt b/mods/xpanes/license.txt
new file mode 100644
index 0000000..dff7227
--- /dev/null
+++ b/mods/xpanes/license.txt
@@ -0,0 +1,64 @@
+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (C) 2014-2016 xyz
+Copyright (C) 2014-2016 BlockMen
+Copyright (C) 2016 Auke Kok <sofar@foo-projects.org>
+Copyright (C) 2014-2016 Various Minetest developers and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+
+Licenses of media (textures)
+----------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2014-2016 xyz
+Copyright (C) 2013-2016 Gambit
+Copyright (C) 2016 paramat
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/
diff --git a/mods/xpanes/textures/default_glass.png b/mods/xpanes/textures/default_glass.png
new file mode 100644
index 0000000..da25402
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diff --git a/mods/xpanes/textures/xpanes_bar.png b/mods/xpanes/textures/xpanes_bar.png
new file mode 100644
index 0000000..4d17ceb
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diff --git a/mods/xpanes/textures/xpanes_bar_top.png b/mods/xpanes/textures/xpanes_bar_top.png
new file mode 100644
index 0000000..887518a
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diff --git a/mods/xpanes/textures/xpanes_pane_half.png b/mods/xpanes/textures/xpanes_pane_half.png
new file mode 100644
index 0000000..4e846df
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diff --git a/mods/xpanes/textures/xpanes_space.png b/mods/xpanes/textures/xpanes_space.png
new file mode 100644
index 0000000..016cb35
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diff --git a/mods/xpanes/textures/xpanes_white.png b/mods/xpanes/textures/xpanes_white.png
new file mode 100644
index 0000000..a2f4b63
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