diff --git a/SoftFever_doc/hidden_features.png b/SoftFever_doc/hidden_features.png
new file mode 100644
index 000000000..ff5f61ac0
Binary files /dev/null and b/SoftFever_doc/hidden_features.png differ
diff --git a/SoftFever_doc/machine_limits.png b/SoftFever_doc/machine_limits.png
new file mode 100644
index 000000000..5f23ac43f
Binary files /dev/null and b/SoftFever_doc/machine_limits.png differ
diff --git a/SoftFever_doc/topsurface_flowrate.png b/SoftFever_doc/topsurface_flowrate.png
new file mode 100644
index 000000000..dc6550bef
Binary files /dev/null and b/SoftFever_doc/topsurface_flowrate.png differ