diff --git a/Jan/okulary_blind.scad b/Jan/okulary_blind.scad
new file mode 100644
index 0000000..1e1e116
--- /dev/null
+++ b/Jan/okulary_blind.scad
@@ -0,0 +1,46 @@
+include <BOSL2/std.scad>
+
+g_th = 4.5;
+t = 2;
+g_len = 70;
+$fn = 5;
+
+hinge_num = 5;
+hinge_d = 5;
+hinge_h = 2;
+// do not edit
+
+// clip-on glasses
+diff("r") {
+    bez = bezpath_curve([[0,0], [6.5,g_len/2], [0,g_len]], N=2);
+    path_extrude2d(bezpath_curve(bez, N=2)) {
+
+        diff("R") {
+            square([g_th+2*t, g_th+t], anchor=TOP);
+            tag("R") square([g_th, g_th], anchor=TOP);
+        }
+    }
+    cuboid([g_th+2*t,t,(g_th+t)*2]);
+    tag("r") cuboid([g_th+2*t,g_th+2*t,g_th*2], anchor=FWD+RIGHT);
+    tag("r")back(g_len) cuboid([20,20,20], anchor=BACK+RIGHT);
+}
+
+// hinge
+back(g_len - 2) right(g_th/2 + t/2) zrot(11) xrot(7) diff("R") {
+  right(4) for(i=[0 : hinge_num-1]) {
+    up(hinge_h/2 + i * hinge_h*5 / (hinge_num-1))
+    if(i%2==0) {
+      fwd(t/2) cuboid([hinge_d,hinge_d+t,hinge_h], rounding=1, edges="Z");
+    } else {
+      left(t/2) cuboid([hinge_d+t,hinge_d,hinge_h], rounding=1, edges="Z");
+    }
+  }
+  up(2) cuboid([t,t*2,15]);
+  tag("R") right(4) cyl(h=100, d=1);
+}
+
+// blind
+back(g_len) right(g_th/2 + t/2 + 4) zrot(11) union() {
+    xrot(7) fwd(4.5) down(2) right(1.15) cuboid([t,10,20], anchor=BOT+BACK, rounding=3, edges="X");
+    fwd(6) down(3)  cuboid([t,60,50], anchor=BOT+BACK, rounding=3, edges="X");
+}
\ No newline at end of file