commit 907ebc41ef69a9682e2afe28017166d52603e9d63c0e78f43737c682f5a76703
Author: Fabrice Mouhartem <fabrice.mouhartem@ens-lyon.org>
Date:   Sat Jul 6 14:21:25 2024 +0200

    Add serre-tringle
    
    - STL file
    - openscad file

diff --git a/serre-tringle.scad b/serre-tringle.scad
new file mode 100644
index 0000000..3aec893
--- /dev/null
+++ b/serre-tringle.scad
@@ -0,0 +1,60 @@
+// Parameters
+$diameter_hole =3.2;
+$indent_width = 1;
+$diameter_z = 6;
+$length_base= 7;
+$length_hat= 2;
+$length_blocker = 5;
+$diameter_blocker = 10;
+$radial_indent = 1;
+$slack = 0.1;
+$mini_slack = 0.001;
+
+// base
+difference() {
+    cylinder($length_base, $diameter_z / 2, $diameter_z / 2);
+    translate([0, 0 , 4]) rotate([90, 0, 0])
+        cylinder(6,$diameter_hole/2, $diameter_hole/2, center=true);
+}
+
+// first half-top
+translate([0, 0, $length_base - $mini_slack])
+difference() {
+    cylinder($length_blocker, $diameter_z / 2, $diameter_z / 2);
+    translate([-$indent_width / 2,-5, -$mini_slack])
+        cube(10);
+}
+
+// second half-top
+translate([0,0,$length_base - $mini_slack])
+rotate([0,0,180])
+difference() {
+    cylinder($length_blocker, $diameter_z / 2, $diameter_z / 2);
+    translate([-$indent_width / 2,-5, -$mini_slack])
+        cube(10);
+}
+
+// first half-hat
+translate([0,0,$length_base + $length_blocker - $mini_slack])
+rotate([0,0,180])
+difference() {
+    cylinder(2, $radial_indent + $diameter_z / 2,$diameter_z / 2);
+    translate([-$indent_width / 2,-5, -$mini_slack])
+        cube(10);
+}
+
+// second half-hat
+translate([0,0,$length_base + $length_blocker - $mini_slack])
+difference() {
+    cylinder($length_hat, $diameter_z / 2 + $radial_indent, $diameter_z / 2);
+    translate([-$indent_width / 2, -5, -$mini_slack])
+        cube(10);
+}
+
+// blocking piece
+translate([20,0,0])
+difference() {
+    cylinder($length_blocker, $diameter_blocker / 2, $diameter_blocker / 2);
+    translate([0, 0, -$mini_slack])
+        cylinder($length_blocker + $slack, $diameter_z / 2 + $slack, $diameter_z / 2 + $slack);
+}
\ No newline at end of file
diff --git a/serre-tringle.stl b/serre-tringle.stl
new file mode 100644
index 0000000..6ce9ba8
Binary files /dev/null and b/serre-tringle.stl differ