diff --git a/gears.scad b/gears.scad
index f7d6904..7d2e09f 100644
--- a/gears.scad
+++ b/gears.scad
@@ -213,19 +213,19 @@ function _inherit_gear_thickness(thickness) =
 //   You can compute the shortening parameter using {{gear_shorten()}}.  Note that the actual shortening distance is obtained
 //   by scaling the shortening fator by the gear's module.  
 // Figure(2D,Big,NoAxes,VPT=[55.8861,-4.31463,8.09832],VPR=[0,0,0],VPD=325.228): With large profile shifts the teeth need to be shortened or they don't have clearance in the valleys of the teeth in the meshing gear.  
-//   teeth1=25;
-//   teeth2=19;
-//   mod=4;
-//   ps1 = 0.75;
-//   ps2 = 0.75;
-//   d = gear_dist(mod=mod, teeth1,teeth2,0,ps1,ps2);
-//   color("lightblue")
-//     spur_gear2d(mod=mod,teeth=teeth1,profile_shift=ps1,gear_spin=-90);
-//   right(d)
-//     spur_gear2d(mod=mod,teeth=teeth2,profile_shift=ps2,gear_spin=-90);
-//   right(9)stroke([[1.3*d/2,0],[d/2+4,0]], endcap2="arrow2",color="black");
-//   fwd(2)right(d/2+25)color("black"){back(4)text("No clearance",size=6);
-//                           fwd(4)text("at tooth tip",size=6);}
+   teeth1=25;
+   teeth2=19;
+   mod=4;
+   ps1 = 0.75;
+   ps2 = 0.75;
+   d = gear_dist(mod=mod, teeth1,teeth2,0,ps1,ps2);
+   color("lightblue")
+     spur_gear2d(mod=mod,teeth=teeth1,profile_shift=ps1,gear_spin=-90);
+   right(d)
+     spur_gear2d(mod=mod,teeth=teeth2,profile_shift=ps2,gear_spin=-90);
+   right(9)stroke([[1.3*d/2,0],[d/2+4,0]], endcap2="arrow2",color="black");
+   fwd(2)right(d/2+25)color("black"){back(4)text("No clearance",size=6);
+                           fwd(4)text("at tooth tip",size=6);}
 // Figure(2D,Big,NoAxes,VPT=[55.8861,-4.31463,8.09832],VPR=[0,0,0],VPD=325.228): Applying the correct shortening factor restores the clearance to its set value.  
 //   teeth1=25;
 //   teeth2=19;
@@ -3256,13 +3256,13 @@ function _working_normal_pressure_angle_skew(teeth1,profile_shift1,helical1, tee
 //   --
 //   pressure_angle = The pressure angle of the gear.
 // Example(3D,Med,NoAxes,VPT=[-2.62091,2.01048,-1.31405],VPR=[55,0,25],VPD=74.4017): These gears are auto profile shifted and as a result, do not mesh at the sum of their helical angles, but at 2.5 degrees more.  
-   circ_pitch=5; teeth1=12; teeth2=7; ha1=25; ha2=30; thick=10;
-   d = gear_dist_skew(circ_pitch=circ_pitch, teeth1, teeth2, ha1, ha2);
-   ang = gear_skew_angle(teeth1, teeth2, helical1=ha1, helical2=ha2);  // Returns 57.7
-   left(d/2)
-     spur_gear(circ_pitch, teeth1, helical=ha1, thickness=thick, gear_spin=-90);
-   right(d/2) color("lightblue")
-     xrot(ang) spur_gear(circ_pitch, teeth2, helical=ha2, thickness=thick, gear_spin=90-180/teeth2);
+//   circ_pitch=5; teeth1=12; teeth2=7; ha1=25; ha2=30; thick=10;
+//   d = gear_dist_skew(circ_pitch=circ_pitch, teeth1, teeth2, ha1, ha2);
+//   ang = gear_skew_angle(teeth1, teeth2, helical1=ha1, helical2=ha2);  // Returns 57.7
+//   left(d/2)
+//     spur_gear(circ_pitch, teeth1, helical=ha1, thickness=thick, gear_spin=-90);
+//   right(d/2) color("lightblue")
+//     xrot(ang) spur_gear(circ_pitch, teeth2, helical=ha2, thickness=thick, gear_spin=90-180/teeth2);
 
 function gear_skew_angle(teeth1,teeth2,helical1,helical2,profile_shift1,profile_shift2,pressure_angle=20) =
    assert(all_nonnegative([teeth1,teeth2]),"Must give nonnegative values for teeth")