diff --git a/involute_gears.scad b/involute_gears.scad
index a69d8a9..55fdc10 100644
--- a/involute_gears.scad
+++ b/involute_gears.scad
@@ -278,7 +278,7 @@ function gear2d(
 		],
 		hide>0? [[0,0]] : []
 	)
-) attachable(anchor,spin, two_d=true, r=pr, p=pts);
+) reorient(anchor,spin, two_d=true, r=pr, p=pts);
 
 
 module gear2d(
@@ -301,6 +301,7 @@ module gear2d(
 		backlash  = backlash,
 		interior  = interior
 	);
+	pr = pitch_radius(pitch=pitch, teeth=teeth);
 	attachable(anchor,spin, two_d=true, r=pr) {
 		polygon(path);
 		children();
diff --git a/version.scad b/version.scad
index 5b980b2..4705c4b 100644
--- a/version.scad
+++ b/version.scad
@@ -8,7 +8,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,240];
+BOSL_VERSION = [2,0,241];
 
 
 // Section: BOSL Library Version Functions