diff --git a/blocker.scad b/blocker.scad
new file mode 100644
index 0000000..a51cb84
--- /dev/null
+++ b/blocker.scad
@@ -0,0 +1,18 @@
+// rendering precision
+$fn = $preview ? 32 : 64;
+$slack = 0.2;
+$mini_slack = 0.001;
+
+// Parameters
+$diameter_blocker = 10;
+$diameter_shaft = 2.5;
+$diameter_hole =3.2;
+$diameter_z = 6;
+$length_hat= 3;
+$height = 2.6;
+
+difference() {
+    cylinder($height, $diameter_blocker/2, $diameter_blocker/2);
+    translate([0,0,-$mini_slack])
+    cylinder(3.5, $diameter_z/2 + $slack, $diameter_z/2 + $slack);
+}
\ No newline at end of file
diff --git a/blocker.stl b/blocker.stl
new file mode 100644
index 0000000..695ff0b
Binary files /dev/null and b/blocker.stl differ
diff --git a/serre-tringle-v2.scad b/serre-tringle-v2.scad
new file mode 100644
index 0000000..813978c
--- /dev/null
+++ b/serre-tringle-v2.scad
@@ -0,0 +1,25 @@
+// rendering precision
+$fn = $preview ? 32 : 64;
+$slack = 0.2;
+$mini_slack = 0.001;
+
+// parameters
+$diameter_blocker = 10;
+$diameter_shaft = 2.5;
+$diameter_hole =3.2;
+$diameter_z = 6;
+$length_hat= 3;
+
+//base-block
+cylinder($length_hat, $diameter_blocker/2, $diameter_blocker/2);
+
+translate([0,0,$length_hat - $mini_slack])
+cylinder(3, $diameter_z/2, $diameter_z/2);
+
+translate([0,0,3+$length_hat-$mini_slack])
+difference() {
+    cylinder(6, $diameter_z/2, $diameter_z/2);
+    rotate([0,90,0])
+    translate([- $diameter_hole/2- 0.6 , 0,0])
+    cylinder(7, $diameter_hole/2, $diameter_hole/2, center=true);
+}
\ No newline at end of file
diff --git a/serre-tringle-v2.stl b/serre-tringle-v2.stl
new file mode 100644
index 0000000..1c8e57e
Binary files /dev/null and b/serre-tringle-v2.stl differ