Index: sources/gui/qml/components/TickMarks.qml
===================================================================
diff -u -r7b4219600ec64c2860113225ced0b5fc839b8ad2 -r8d7f8d2ac6620e92ab3cd239d7d8641113ea3e53
--- sources/gui/qml/components/TickMarks.qml	(.../TickMarks.qml)	(revision 7b4219600ec64c2860113225ced0b5fc839b8ad2)
+++ sources/gui/qml/components/TickMarks.qml	(.../TickMarks.qml)	(revision 8d7f8d2ac6620e92ab3cd239d7d8641113ea3e53)
@@ -38,7 +38,7 @@
     property bool   isTickMarkRound         : false
     property real   roundTickMarkDiameter   : Variables.sliderDefaultRoundTickMarkDiameter
     property real   yDisplacement           : 0
-    property bool   showFirstMark           : true
+    property bool   showEndMarks            : true
 
     // For the case that the tickmark is a line
     property real   lineTickMarkHeight      : 20
@@ -47,22 +47,17 @@
     property bool   textVisible : false
     property color  textColor   : Colors.textMain
 
-    property bool isDebugPrint: false
-
     anchors.fill: parent
 
     Repeater { id : _repeater
-        model: (maximum - minimum) / step + 1
+        readonly property real totalTickCount: ((maximum - minimum) / step + 1) // added property for clarity
 
-        Rectangle {
-            property int gap    : stepSnap ?
-                                      (
-                                       (parent.width * (step - (minimum % step))) / (maximum - minimum)
-                                       ) : 0
+        model: totalTickCount
 
-            visible     : (index > 0) || (index === 0 && showFirstMark)
-            x           : (((index * step) * (parent.width - parent.x)) / (maximum - minimum)) + gap - width/2
-            y           : _root.yDisplacement + Variables.rangeRectBorderWidth // adjusting the y of the line tick to account for the slider border
+        Rectangle {
+            visible     : _repeater.isTickMarkVisible(index)
+            x           : (((index * step) * (parent.width - parent.x)) / (maximum - minimum)) - width/2 - 2 // "-width/2 - 2" for moving tick mark to center on handle
+            y           : _root.yDisplacement
             color       : _root.color
 
             height  : isTickMarkRound ? _root.roundTickMarkDiameter : _root.lineTickMarkHeight
@@ -81,5 +76,17 @@
                 }
             }
         }
+
+        function isTickMarkVisible(index) {
+            if (showEndMarks) {
+                return true // all marks shown
+            } else {
+                // Only the center marks are shown, ie: exclude the end marks
+                if ((index > 0) && (index < (_repeater.totalTickCount-1))) {
+                    return true
+                }
+            }
+            return false
+        }
     }
 }