diff --git a/docs/img/arcex1.png b/docs/img/arcex1.png
new file mode 100644
index 0000000..1cfcaa9
Binary files /dev/null and b/docs/img/arcex1.png differ
diff --git a/docs/img/box0ex1.png b/docs/img/box0ex1.png
new file mode 100644
index 0000000..2df5a85
Binary files /dev/null and b/docs/img/box0ex1.png differ
diff --git a/docs/img/cylinder0ex1.png b/docs/img/cylinder0ex1.png
new file mode 100644
index 0000000..fba0630
Binary files /dev/null and b/docs/img/cylinder0ex1.png differ
diff --git a/docs/img/door2ex1.png b/docs/img/door2ex1.png
new file mode 100644
index 0000000..cc50015
Binary files /dev/null and b/docs/img/door2ex1.png differ
diff --git a/docs/img/doorex1.png b/docs/img/doorex1.png
new file mode 100644
index 0000000..9f088d9
Binary files /dev/null and b/docs/img/doorex1.png differ
diff --git a/docs/img/gardenex1.png b/docs/img/gardenex1.png
new file mode 100644
index 0000000..9ea7e9e
Binary files /dev/null and b/docs/img/gardenex1.png differ
diff --git a/docs/img/signex1.png b/docs/img/signex1.png
new file mode 100644
index 0000000..a917152
Binary files /dev/null and b/docs/img/signex1.png differ
diff --git a/docs/img/signex2.png b/docs/img/signex2.png
new file mode 100644
index 0000000..bdc3dac
Binary files /dev/null and b/docs/img/signex2.png differ
diff --git a/docs/img/treeex1.png b/docs/img/treeex1.png
new file mode 100644
index 0000000..e385c2d
Binary files /dev/null and b/docs/img/treeex1.png differ