diff --git a/cnam/travaux/probatoire/images/margin_few_left.png b/cnam/travaux/probatoire/images/margin_few_left.png
new file mode 100644
index 0000000..094ce41
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_few_left.png differ
diff --git a/cnam/travaux/probatoire/images/margin_few_right.png b/cnam/travaux/probatoire/images/margin_few_right.png
new file mode 100644
index 0000000..47fa5b8
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_few_right.png differ
diff --git a/cnam/travaux/probatoire/images/margin_hard_left.png b/cnam/travaux/probatoire/images/margin_hard_left.png
new file mode 100644
index 0000000..e5e52c2
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_hard_left.png differ
diff --git a/cnam/travaux/probatoire/images/margin_hard_right.png b/cnam/travaux/probatoire/images/margin_hard_right.png
new file mode 100644
index 0000000..533a171
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_hard_right.png differ
diff --git a/cnam/travaux/probatoire/images/margin_large_left.png b/cnam/travaux/probatoire/images/margin_large_left.png
new file mode 100644
index 0000000..7879679
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_large_left.png differ
diff --git a/cnam/travaux/probatoire/images/margin_large_right.png b/cnam/travaux/probatoire/images/margin_large_right.png
new file mode 100644
index 0000000..981022b
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_large_right.png differ
diff --git a/cnam/travaux/probatoire/images/margin_scale_left.png b/cnam/travaux/probatoire/images/margin_scale_left.png
new file mode 100644
index 0000000..a46fd4d
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_scale_left.png differ
diff --git a/cnam/travaux/probatoire/images/margin_scale_right.png b/cnam/travaux/probatoire/images/margin_scale_right.png
new file mode 100644
index 0000000..f2a8581
Binary files /dev/null and b/cnam/travaux/probatoire/images/margin_scale_right.png differ
diff --git a/cnam/travaux/probatoire/images/nonlinear_linear_left.png b/cnam/travaux/probatoire/images/nonlinear_linear_left.png
new file mode 100644
index 0000000..6e02f92
Binary files /dev/null and b/cnam/travaux/probatoire/images/nonlinear_linear_left.png differ
diff --git a/cnam/travaux/probatoire/images/nonlinear_linear_right.png b/cnam/travaux/probatoire/images/nonlinear_linear_right.png
new file mode 100644
index 0000000..bef3672
Binary files /dev/null and b/cnam/travaux/probatoire/images/nonlinear_linear_right.png differ