diff --git a/daylight_spool_mount.scad b/daylight_spool_mount.scad
index 51f5d89..f8da486 100644
--- a/daylight_spool_mount.scad
+++ b/daylight_spool_mount.scad
@@ -1,3 +1,5 @@
+include <common/common.scad>;
+
 SQUARE_INNER = 7.8;
 time = 0;
 
@@ -15,18 +17,18 @@ module daylight_spool_mount (top = true, base = true, height = 18.5) {
 	if (top) {
 		difference () {
 			union() {
-				translate([0, 0, (height / 2) + (topHeight / 2)]) cylinder(r = SQUARE_INNER / 2, h = topHeight, center = true);
-				translate([0, 0, (height / 2) + (7.5 / 2)]) sphere(SQUARE_INNER / 2);
+				translate([0, 0, (height / 2) + (topHeight / 2)]) cylinder(r = R(SQUARE_INNER), h = topHeight, center = true);
+				translate([0, 0, (height / 2) + (7.5 / 2)]) sphere(R(SQUARE_INNER));
 			}
 			translate ([0, 0, (height / 2) + 7.5]) cube([10, 10, 2], center = true);
 		}
 	}
 	if (base) {
 	    difference () {
-	        translate([0, 0, -(height / 2) - (3 / 2) - 3]) cylinder(r = 16 /2, h = 3, center = true);
+	        translate([0, 0, -(height / 2) - (3 / 2) - 3]) cylinder(r = R(16), h = 3, center = true);
 	        //translate([0, 0, -14.3]) cube([4, 4, 2], center = true); //notch
 	        difference() {
-	            translate([0, 0, -14.3]) cylinder(r = 8 / 2, h = 2, center = true);
+	            translate([0, 0, -14.3]) cylinder(r = R(8), h = 2, center = true);
 	            translate([0, 6, -14.3]) cube([8, 8, 2], center = true);
 	        }
 	    }