diff --git a/3D/cnc_router/frame_left.stl b/3D/cnc_router/frame_left.stl
new file mode 100644
index 0000000..29ec99b
Binary files /dev/null and b/3D/cnc_router/frame_left.stl differ
diff --git a/3D/cnc_router/frame_right.stl b/3D/cnc_router/frame_right.stl
new file mode 100644
index 0000000..ed56298
Binary files /dev/null and b/3D/cnc_router/frame_right.stl differ
diff --git a/3D/cnc_router/spacer.stl b/3D/cnc_router/spacer.stl
new file mode 100644
index 0000000..8374aae
Binary files /dev/null and b/3D/cnc_router/spacer.stl differ
diff --git a/3D/polisseur.fcstd b/3D/polisseur.fcstd
index 7c18a16..176aa62 100644
Binary files a/3D/polisseur.fcstd and b/3D/polisseur.fcstd differ
diff --git a/doc/pictures/freecad_model.png b/doc/pictures/freecad_model.png
new file mode 100644
index 0000000..a843c15
Binary files /dev/null and b/doc/pictures/freecad_model.png differ