diff --git a/build.gradle b/build.gradle
index c61734ca..ab94c926 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,8 +15,8 @@ buildscript {
 apply plugin: 'org.jetbrains.dokka'
 
 project.ext {
-    openrndrVersion = "0.3.40"
-    kotlinVersion = "1.3.70"
+    openrndrVersion = "0.3.41-rc.1"
+    kotlinVersion = "1.3.71"
     spekVersion = "2.0.10"
     libfreenectVersion = "0.5.7-1.5.2"
     gsonVersion = "2.8.6"
diff --git a/orx-mesh-generators/src/main/kotlin/Cap.kt b/orx-mesh-generators/src/main/kotlin/Cap.kt
index 994d2ccc..9a17cc5f 100644
--- a/orx-mesh-generators/src/main/kotlin/Cap.kt
+++ b/orx-mesh-generators/src/main/kotlin/Cap.kt
@@ -13,7 +13,7 @@ fun generateCap(sides: Int, radius: Double, enveloppe: List<Vector2> = listOf(Ve
 
     val normals2D = enveloppe.zipWithNext().map {
         val d = it.second - it.first
-        d.normalized.perpendicular
+        d.normalized.perpendicular()
     }
 
     val basePositions = cleanEnveloppe.map { Vector3(it.x, it.y, 0.0) }
@@ -57,7 +57,7 @@ fun generateRevolve(sides: Int, length: Double, enveloppe: List<Vector2> = listO
 
     val normals2D = enveloppe.zipWithNext().map {
         val d = it.second - it.first
-        d.normalized.perpendicular * Vector2(1.0, -1.0)
+        d.normalized.perpendicular() * Vector2(1.0, -1.0)
 
     }
 
diff --git a/orx-mesh-generators/src/main/kotlin/Cylinder.kt b/orx-mesh-generators/src/main/kotlin/Cylinder.kt
index d655666e..551efd24 100644
--- a/orx-mesh-generators/src/main/kotlin/Cylinder.kt
+++ b/orx-mesh-generators/src/main/kotlin/Cylinder.kt
@@ -28,7 +28,7 @@ fun generateTaperedCylinder(sides: Int, segments: Int, radiusStart: Double, radi
 
     val dr = radiusEnd - radiusStart
 
-    val baseNormal = Vector2(length, dr).normalized.perpendicular.let { Vector3(x=it.y, y=0.0, z=it.x)}
+    val baseNormal = Vector2(length, dr).normalized.perpendicular().let { Vector3(x=it.y, y=0.0, z=it.x)}
     //val baseNormal = Vector3(1.0, 0.0, 0.0)
 
     for (segment in 0 until segments) {
diff --git a/orx-shapes/src/main/kotlin/RegularPolygon.kt b/orx-shapes/src/main/kotlin/RegularPolygon.kt
index 7a4cb383..02132b6a 100644
--- a/orx-shapes/src/main/kotlin/RegularPolygon.kt
+++ b/orx-shapes/src/main/kotlin/RegularPolygon.kt
@@ -17,7 +17,7 @@ fun regularPolygon(sides: Int, center: Vector2 = Vector2.ZERO, radius: Double =
         }
         close()
     }
-    return c.reversed
+    return c
 }
 
 fun regularPolygonRounded(sides: Int, roundFactor: Double = 0.5, center: Vector2 = Vector2.ZERO, radius: Double = 100.0, phase: Double = 0.0): ShapeContour {
@@ -55,7 +55,7 @@ fun regularPolygonRounded(sides: Int, roundFactor: Double = 0.5, center: Vector2
         }
         close()
     }
-    return c.reversed
+    return c
 }
 
 fun regularPolygonBeveled(sides: Int, bevelFactor: Double = 0.5, center: Vector2 = Vector2.ZERO, radius: Double = 100.0, phase: Double = 0.0): ShapeContour {
@@ -93,5 +93,5 @@ fun regularPolygonBeveled(sides: Int, bevelFactor: Double = 0.5, center: Vector2
         }
         close()
     }
-    return c.reversed
+    return c
 }
diff --git a/orx-shapes/src/test/kotlin/TestChamferCorners.kt b/orx-shapes/src/test/kotlin/TestChamferCorners.kt
index eecf3a98..c13f48c0 100644
--- a/orx-shapes/src/test/kotlin/TestChamferCorners.kt
+++ b/orx-shapes/src/test/kotlin/TestChamferCorners.kt
@@ -49,6 +49,7 @@ object TestChamferCorners : Spek({
             cc.position(0.5) `should be near` c.position(0.5)
             cc.position(1.0) `should be near` c.position(1.0)
             cc.closed `should be equal to` c.closed
+            c.winding `should be equal to` cc.winding
         }
     }
 
@@ -121,6 +122,8 @@ object TestChamferCorners : Spek({
 
         val cc = c.roundCorners(1.0)
 
+        c.winding `should be equal to` cc.winding
+
         c.closed `should be equal to` cc.closed
 
         val ccc = cc.roundCorners(1.0)
@@ -129,14 +132,14 @@ object TestChamferCorners : Spek({
 
         cc.segments.size `should be equal to` 6
 
-        cc.segments.forEach {
-            println(it)
-        }
+//        cc.segments.forEach {
+//            println(it)
+//        }
 
-        println("---")
-        ccc.segments.forEach {
-            println(it)
-        }
+//        println("---")
+//        ccc.segments.forEach {
+//            println(it)
+//        }
         it("should have 6 sides") {
             ccc.segments.size `should be equal to` cc.segments.size
         }
diff --git a/orx-shapes/src/test/kotlin/TestRegularPolygon.kt b/orx-shapes/src/test/kotlin/TestRegularPolygon.kt
new file mode 100644
index 00000000..24ca290f
--- /dev/null
+++ b/orx-shapes/src/test/kotlin/TestRegularPolygon.kt
@@ -0,0 +1,49 @@
+import org.amshove.kluent.`should be equal to`
+import org.openrndr.extra.shapes.regularPolygon
+import org.openrndr.extra.shapes.regularPolygonBeveled
+import org.openrndr.extra.shapes.regularPolygonRounded
+import org.openrndr.shape.Winding
+import org.spekframework.spek2.Spek
+import org.spekframework.spek2.style.specification.describe
+
+object TestRegularPolygon : Spek({
+
+
+    describe("a regular polygon with 3 sides") {
+        val rp = regularPolygon(3)
+
+        it("is closed") {
+            rp.closed `should be equal to` true
+        }
+
+        it("has clockwise winding") {
+            rp.winding `should be equal to` Winding.CLOCKWISE
+        }
+    }
+
+    describe("a regular polygon with rounded corners and 3 sides") {
+        val rp = regularPolygonRounded(3)
+
+        it("is closed") {
+            rp.closed `should be equal to` true
+        }
+
+        it("has clockwise winding") {
+            rp.winding `should be equal to` Winding.CLOCKWISE
+        }
+    }
+
+    describe("a regular polygon with beveled corners and 3 sides") {
+        val rp = regularPolygonBeveled(3)
+
+        it("is closed") {
+            rp.closed `should be equal to` true
+        }
+
+        it("has clockwise winding") {
+            rp.winding `should be equal to` Winding.CLOCKWISE
+        }
+    }
+
+
+})
\ No newline at end of file
diff --git a/orx-shapes/src/test/kotlin/TestRegularStar.kt b/orx-shapes/src/test/kotlin/TestRegularStar.kt
new file mode 100644
index 00000000..2a462d98
--- /dev/null
+++ b/orx-shapes/src/test/kotlin/TestRegularStar.kt
@@ -0,0 +1,47 @@
+import org.amshove.kluent.`should be equal to`
+import org.openrndr.extra.shapes.regularPolygonBeveled
+import org.openrndr.extra.shapes.regularPolygonRounded
+import org.openrndr.extra.shapes.regularStar
+import org.openrndr.extra.shapes.regularStarRounded
+import org.openrndr.shape.Winding
+import org.spekframework.spek2.Spek
+import org.spekframework.spek2.style.specification.describe
+
+object TestRegularStar : Spek({
+    describe("a regular star with 5 points") {
+        val rs = regularStar(5, 10.0, 20.0)
+
+        it("is closed") {
+            rs.closed `should be equal to` true
+        }
+
+        it("has clockwise winding") {
+            rs.winding `should be equal to` Winding.CLOCKWISE
+        }
+    }
+
+    describe("a regular star with rounded corners and 5 points") {
+        val rs = regularStarRounded(5, 10.0, 20.0, 0.2, 0.2)
+
+        it("is closed") {
+            rs.closed `should be equal to` true
+        }
+
+        it("has clockwise winding") {
+            rs.winding `should be equal to` Winding.CLOCKWISE
+        }
+    }
+
+    describe("a regular star with beveled corners and 5 points") {
+        val rs = regularPolygonBeveled(5, 0.5)
+
+        it("is closed") {
+            rs.closed `should be equal to` true
+        }
+
+        it("has clockwise winding") {
+            rs.winding `should be equal to` Winding.CLOCKWISE
+        }
+    }
+
+})
\ No newline at end of file
diff --git a/orx-shapes/src/test/kotlin/TestRoundedRectangle.kt b/orx-shapes/src/test/kotlin/TestRoundedRectangle.kt
new file mode 100644
index 00000000..4c7c5ab3
--- /dev/null
+++ b/orx-shapes/src/test/kotlin/TestRoundedRectangle.kt
@@ -0,0 +1,20 @@
+import org.amshove.kluent.`should be equal to`
+import org.openrndr.extra.shapes.*
+import org.openrndr.shape.Winding
+import org.spekframework.spek2.Spek
+import org.spekframework.spek2.style.specification.describe
+
+object TestRoundedRectangle : Spek({
+    describe("a rounded square") {
+        val rs = RoundedRectangle(100.0, 100.0, 200.0, 200.0, 20.0).contour
+
+        it("is closed") {
+            rs.closed `should be equal to` true
+        }
+
+        it("has clockwise winding") {
+            rs.winding `should be equal to` Winding.CLOCKWISE
+        }
+    }
+
+})
\ No newline at end of file