-// Thickness of the XZ plate board.
-// Use 20 for single plate if you want to use the Y lm8uu holders
+
+// Thickness of the boards that make the box frame.
+
+// in y-axis-corner it governs the height of the corners by adjusting the
+// distance between ground and M10 threaded rod. (both box and single plate)
+
+// For box model, the parts that hold Z smooth rod have one hole from front
+// and one from side, and this setting makes sure that the screw from side
+// is in the center of the plank.
+
+// Use 12 for single plate
+// or 20 if you want to use the Y lm8uu holders
+// (extras/bearing-holder-single-plate-y)