diff --git a/demos/second/part18_3d/auto/modified/image00000001.png b/demos/second/part18_3d/auto/modified/image00000001.png
new file mode 100644
index 00000000..6feaf668
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000001.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000002.png b/demos/second/part18_3d/auto/modified/image00000002.png
new file mode 100644
index 00000000..bb834ee9
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000002.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000003.png b/demos/second/part18_3d/auto/modified/image00000003.png
new file mode 100644
index 00000000..1ec512ad
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000003.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000004.png b/demos/second/part18_3d/auto/modified/image00000004.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000004.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000005.png b/demos/second/part18_3d/auto/modified/image00000005.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000005.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000006.png b/demos/second/part18_3d/auto/modified/image00000006.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000006.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000007.png b/demos/second/part18_3d/auto/modified/image00000007.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000007.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000008.png b/demos/second/part18_3d/auto/modified/image00000008.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000008.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000009.png b/demos/second/part18_3d/auto/modified/image00000009.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000009.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000010.png b/demos/second/part18_3d/auto/modified/image00000010.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000010.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000011.png b/demos/second/part18_3d/auto/modified/image00000011.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000011.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000012.png b/demos/second/part18_3d/auto/modified/image00000012.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000012.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000013.png b/demos/second/part18_3d/auto/modified/image00000013.png
new file mode 100644
index 00000000..cf5dcd20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000013.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000014.png b/demos/second/part18_3d/auto/modified/image00000014.png
new file mode 100644
index 00000000..c46acc3c
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000014.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000015.png b/demos/second/part18_3d/auto/modified/image00000015.png
new file mode 100644
index 00000000..8fb61209
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000015.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000016.png b/demos/second/part18_3d/auto/modified/image00000016.png
new file mode 100644
index 00000000..c6f98200
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000016.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000017.png b/demos/second/part18_3d/auto/modified/image00000017.png
new file mode 100644
index 00000000..93a045dc
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000017.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000018.png b/demos/second/part18_3d/auto/modified/image00000018.png
new file mode 100644
index 00000000..c4a00fc2
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000018.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000019.png b/demos/second/part18_3d/auto/modified/image00000019.png
new file mode 100644
index 00000000..fdac84d8
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000019.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000020.png b/demos/second/part18_3d/auto/modified/image00000020.png
new file mode 100644
index 00000000..4c7abc2a
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000020.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000021.png b/demos/second/part18_3d/auto/modified/image00000021.png
new file mode 100644
index 00000000..b7da10a0
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000021.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000022.png b/demos/second/part18_3d/auto/modified/image00000022.png
new file mode 100644
index 00000000..f8f5ce58
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000022.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000023.png b/demos/second/part18_3d/auto/modified/image00000023.png
new file mode 100644
index 00000000..652e241e
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000023.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000024.png b/demos/second/part18_3d/auto/modified/image00000024.png
new file mode 100644
index 00000000..75359213
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000024.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000025.png b/demos/second/part18_3d/auto/modified/image00000025.png
new file mode 100644
index 00000000..92c9dfe8
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000025.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000026.png b/demos/second/part18_3d/auto/modified/image00000026.png
new file mode 100644
index 00000000..2407f0f3
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000026.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000027.png b/demos/second/part18_3d/auto/modified/image00000027.png
new file mode 100644
index 00000000..e0f33f00
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000027.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000028.png b/demos/second/part18_3d/auto/modified/image00000028.png
new file mode 100644
index 00000000..cab9c1f8
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000028.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000029.png b/demos/second/part18_3d/auto/modified/image00000029.png
new file mode 100644
index 00000000..fd070c42
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000029.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000030.png b/demos/second/part18_3d/auto/modified/image00000030.png
new file mode 100644
index 00000000..2435d696
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000030.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000031.png b/demos/second/part18_3d/auto/modified/image00000031.png
new file mode 100644
index 00000000..6b25c25f
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000031.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000032.png b/demos/second/part18_3d/auto/modified/image00000032.png
new file mode 100644
index 00000000..37790f83
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000032.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000033.png b/demos/second/part18_3d/auto/modified/image00000033.png
new file mode 100644
index 00000000..5c29b635
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000033.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000034.png b/demos/second/part18_3d/auto/modified/image00000034.png
new file mode 100644
index 00000000..9af9a3bd
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000034.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000035.png b/demos/second/part18_3d/auto/modified/image00000035.png
new file mode 100644
index 00000000..4215f779
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000035.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000036.png b/demos/second/part18_3d/auto/modified/image00000036.png
new file mode 100644
index 00000000..0be0fb40
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000036.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000037.png b/demos/second/part18_3d/auto/modified/image00000037.png
new file mode 100644
index 00000000..83911a20
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000037.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000038.png b/demos/second/part18_3d/auto/modified/image00000038.png
new file mode 100644
index 00000000..a79794e9
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000038.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000039.png b/demos/second/part18_3d/auto/modified/image00000039.png
new file mode 100644
index 00000000..5f76257c
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000039.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000040.png b/demos/second/part18_3d/auto/modified/image00000040.png
new file mode 100644
index 00000000..c4eca0ff
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000040.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000041.png b/demos/second/part18_3d/auto/modified/image00000041.png
new file mode 100644
index 00000000..f757feca
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000041.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000042.png b/demos/second/part18_3d/auto/modified/image00000042.png
new file mode 100644
index 00000000..85260028
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000042.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000043.png b/demos/second/part18_3d/auto/modified/image00000043.png
new file mode 100644
index 00000000..bd5a6471
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000043.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000044.png b/demos/second/part18_3d/auto/modified/image00000044.png
new file mode 100644
index 00000000..f1d46b01
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000044.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000045.png b/demos/second/part18_3d/auto/modified/image00000045.png
new file mode 100644
index 00000000..e9e323b1
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000045.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000046.png b/demos/second/part18_3d/auto/modified/image00000046.png
new file mode 100644
index 00000000..cb9d8c5d
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000046.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000047.png b/demos/second/part18_3d/auto/modified/image00000047.png
new file mode 100644
index 00000000..2cebbb62
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000047.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000048.png b/demos/second/part18_3d/auto/modified/image00000048.png
new file mode 100644
index 00000000..e14c426a
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000048.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000049.png b/demos/second/part18_3d/auto/modified/image00000049.png
new file mode 100644
index 00000000..029ca69f
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000049.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000050.png b/demos/second/part18_3d/auto/modified/image00000050.png
new file mode 100644
index 00000000..4368d52d
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000050.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000051.png b/demos/second/part18_3d/auto/modified/image00000051.png
new file mode 100644
index 00000000..d7784bd3
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000051.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000052.png b/demos/second/part18_3d/auto/modified/image00000052.png
new file mode 100644
index 00000000..d2717ac5
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000052.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000053.png b/demos/second/part18_3d/auto/modified/image00000053.png
new file mode 100644
index 00000000..ac3cdee2
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000053.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000054.png b/demos/second/part18_3d/auto/modified/image00000054.png
new file mode 100644
index 00000000..1d090ae8
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000054.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000055.png b/demos/second/part18_3d/auto/modified/image00000055.png
new file mode 100644
index 00000000..e71003c4
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000055.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000056.png b/demos/second/part18_3d/auto/modified/image00000056.png
new file mode 100644
index 00000000..7f59d37f
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000056.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000057.png b/demos/second/part18_3d/auto/modified/image00000057.png
new file mode 100644
index 00000000..8b189883
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000057.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000058.png b/demos/second/part18_3d/auto/modified/image00000058.png
new file mode 100644
index 00000000..fc0b8a40
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000058.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000059.png b/demos/second/part18_3d/auto/modified/image00000059.png
new file mode 100644
index 00000000..69605c96
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000059.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000060.png b/demos/second/part18_3d/auto/modified/image00000060.png
new file mode 100644
index 00000000..2684b296
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000060.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000061.png b/demos/second/part18_3d/auto/modified/image00000061.png
new file mode 100644
index 00000000..0d86fc73
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000061.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000062.png b/demos/second/part18_3d/auto/modified/image00000062.png
new file mode 100644
index 00000000..bfd36aaa
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000062.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000063.png b/demos/second/part18_3d/auto/modified/image00000063.png
new file mode 100644
index 00000000..ad081134
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000063.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000064.png b/demos/second/part18_3d/auto/modified/image00000064.png
new file mode 100644
index 00000000..f34ee65c
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000064.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000065.png b/demos/second/part18_3d/auto/modified/image00000065.png
new file mode 100644
index 00000000..9f10b15c
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000065.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000066.png b/demos/second/part18_3d/auto/modified/image00000066.png
new file mode 100644
index 00000000..9b90a2c2
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000066.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000067.png b/demos/second/part18_3d/auto/modified/image00000067.png
new file mode 100644
index 00000000..69173627
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000067.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000068.png b/demos/second/part18_3d/auto/modified/image00000068.png
new file mode 100644
index 00000000..35116c4d
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000068.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000069.png b/demos/second/part18_3d/auto/modified/image00000069.png
new file mode 100644
index 00000000..bb59b630
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000069.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000070.png b/demos/second/part18_3d/auto/modified/image00000070.png
new file mode 100644
index 00000000..a6c4160b
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000070.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000071.png b/demos/second/part18_3d/auto/modified/image00000071.png
new file mode 100644
index 00000000..9cfc2de1
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000071.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000072.png b/demos/second/part18_3d/auto/modified/image00000072.png
new file mode 100644
index 00000000..98125c32
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000072.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000073.png b/demos/second/part18_3d/auto/modified/image00000073.png
new file mode 100644
index 00000000..455f20a5
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000073.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000074.png b/demos/second/part18_3d/auto/modified/image00000074.png
new file mode 100644
index 00000000..b4797244
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000074.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000075.png b/demos/second/part18_3d/auto/modified/image00000075.png
new file mode 100644
index 00000000..828fb1b8
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000075.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000076.png b/demos/second/part18_3d/auto/modified/image00000076.png
new file mode 100644
index 00000000..a5c3b5e3
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000076.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000077.png b/demos/second/part18_3d/auto/modified/image00000077.png
new file mode 100644
index 00000000..137a5976
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000077.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000078.png b/demos/second/part18_3d/auto/modified/image00000078.png
new file mode 100644
index 00000000..8e89f6a3
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000078.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000079.png b/demos/second/part18_3d/auto/modified/image00000079.png
new file mode 100644
index 00000000..2312842d
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000079.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000080.png b/demos/second/part18_3d/auto/modified/image00000080.png
new file mode 100644
index 00000000..b787055e
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000080.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000081.png b/demos/second/part18_3d/auto/modified/image00000081.png
new file mode 100644
index 00000000..4822bccf
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000081.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000082.png b/demos/second/part18_3d/auto/modified/image00000082.png
new file mode 100644
index 00000000..25cba736
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000082.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000083.png b/demos/second/part18_3d/auto/modified/image00000083.png
new file mode 100644
index 00000000..e8b5d193
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000083.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000084.png b/demos/second/part18_3d/auto/modified/image00000084.png
new file mode 100644
index 00000000..1195bbfd
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000084.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000085.png b/demos/second/part18_3d/auto/modified/image00000085.png
new file mode 100644
index 00000000..3aa04438
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000085.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000086.png b/demos/second/part18_3d/auto/modified/image00000086.png
new file mode 100644
index 00000000..dca167bd
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000086.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000087.png b/demos/second/part18_3d/auto/modified/image00000087.png
new file mode 100644
index 00000000..d7e5154f
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000087.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000088.png b/demos/second/part18_3d/auto/modified/image00000088.png
new file mode 100644
index 00000000..24103a78
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000088.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000089.png b/demos/second/part18_3d/auto/modified/image00000089.png
new file mode 100644
index 00000000..99bdf4f9
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000089.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000090.png b/demos/second/part18_3d/auto/modified/image00000090.png
new file mode 100644
index 00000000..d9d8f28e
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000090.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000091.png b/demos/second/part18_3d/auto/modified/image00000091.png
new file mode 100644
index 00000000..3725c216
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000091.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000092.png b/demos/second/part18_3d/auto/modified/image00000092.png
new file mode 100644
index 00000000..f868dd7a
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000092.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000093.png b/demos/second/part18_3d/auto/modified/image00000093.png
new file mode 100644
index 00000000..2bf964d4
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000093.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000094.png b/demos/second/part18_3d/auto/modified/image00000094.png
new file mode 100644
index 00000000..82c82d31
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000094.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000095.png b/demos/second/part18_3d/auto/modified/image00000095.png
new file mode 100644
index 00000000..9e906ef0
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000095.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000096.png b/demos/second/part18_3d/auto/modified/image00000096.png
new file mode 100644
index 00000000..db644121
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000096.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000097.png b/demos/second/part18_3d/auto/modified/image00000097.png
new file mode 100644
index 00000000..dfcab90a
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000097.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000098.png b/demos/second/part18_3d/auto/modified/image00000098.png
new file mode 100644
index 00000000..42f1aee3
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000098.png differ
diff --git a/demos/second/part18_3d/auto/modified/image00000099.png b/demos/second/part18_3d/auto/modified/image00000099.png
new file mode 100644
index 00000000..794e43ee
Binary files /dev/null and b/demos/second/part18_3d/auto/modified/image00000099.png differ