diff --git a/Output_files/Cycl_Ycarriage_nutHolder_13.stl b/Output_files/Cycl_Ycarriage_nutHolder_13.stl
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diff --git a/Output_files/Cycl_Ycarriage_nutHolder_13_2.stl b/Output_files/Cycl_Ycarriage_nutHolder_13_2.stl
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diff --git a/Output_files/Cycl_Ycarriage_nutHolder_13_3.stl b/Output_files/Cycl_Ycarriage_nutHolder_13_3.stl
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diff --git a/Output_files/Cycl_Ycarriage_nutHolder_13_4.stl b/Output_files/Cycl_Ycarriage_nutHolder_13_4.stl
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diff --git a/Output_files/Cycl_Ycarriage_nutHolder_13_6.stl b/Output_files/Cycl_Ycarriage_nutHolder_13_6.stl
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diff --git a/Output_files/Cycl_Ycarriage_nutHolder_13_7.stl b/Output_files/Cycl_Ycarriage_nutHolder_13_7.stl
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diff --git a/Output_files/Cycl_Ycarriage_nutHolder_13_8.stl b/Output_files/Cycl_Ycarriage_nutHolder_13_8.stl
deleted file mode 100644
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diff --git a/Output_files/Cycl_Ycarriage_nutHolder_14.stl b/Output_files/Cycl_Ycarriage_nutHolder_14.stl
deleted file mode 100644
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diff --git a/Output_files/Cyclone K4 Mekatronika/Cyclone.stl b/Output_files/Cyclone K4 Mekatronika/Cyclone.stl
new file mode 100644
index 0000000..48f3f39
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diff --git a/Source_files/configs/Default_config.h b/Source_files/configs/Default_config.h
index 553997a..1de1970 100644
--- a/Source_files/configs/Default_config.h
+++ b/Source_files/configs/Default_config.h
@@ -226,29 +226,29 @@
 		axes_Zcarriage_pos = axes_Zsmooth_rodLen/2+sin($t*360)*axes_Zsmooth_rodLen/8;	
 		
 	// --- Parts ---
-		Render_X_leftFrame = false;
-		Render_X_rightFrame = false;
-		Render_X_carriage = false;
-		Render_Z_carriage = false;
-		Render_Z_carriageTop = false;
-		Render_Z_carriageBottom = false;
-		Render_Y_leftSmoothRodIdler = false;
-		Render_Y_rightSmoothRodIdler = false;
-		Render_Y_leftSmoothRodIdler_back = false; // Only needed for Cyclone XL
-		Render_Y_rightSmoothRodIdler_back = false;
-		Render_Y_frontFrame = false;
-		Render_Y_backFrame = false;
+		Render_X_leftFrame = true;
+		Render_X_rightFrame = true;
+		Render_X_carriage = true;
+		Render_Z_carriage = true;
+		Render_Z_carriageTop = true;
+		Render_Z_carriageBottom = true;
+		Render_Y_leftSmoothRodIdler = true;
+		Render_Y_rightSmoothRodIdler = true;
+		Render_Y_leftSmoothRodIdler_back = true; // Only needed for Cyclone XL
+		Render_Y_rightSmoothRodIdler_back = true;
+		Render_Y_frontFrame = true;
+		Render_Y_backFrame = true;
 		Render_Y_carriage = true;
-		Render_control_board = false;
-		Render_Y_gearCover = false;
-		Render_Y_motorGear = false;
-		Render_Y_rodGear = false;
+		Render_control_board = true;
+		Render_Y_gearCover = true;
+		Render_Y_motorGear = true;
+		Render_Y_rodGear = true;
 		Render_X_gearCover = true;
 		Render_X_motorGear = true;
 		Render_X_rodGear = true;
-		Render_PCBholderTop = false;
-		Render_PCBholderBottom = false;
-		Render_YsubPart_linearBearingHolders = false;
+		Render_PCBholderTop = true;
+		Render_PCBholderBottom = true;
+		Render_YsubPart_linearBearingHolders = true;
 		Render_YsubPart_nutHolder = true;
 		//Render_rodHolder = true;
 		
diff --git a/Source_files/libs/MCAD/nuts_and_bolts.scad b/Source_files/libs/MCAD/nuts_and_bolts.scad
index 66a6064..af1b44e 100644
--- a/Source_files/libs/MCAD/nuts_and_bolts.scad
+++ b/Source_files/libs/MCAD/nuts_and_bolts.scad
@@ -25,7 +25,7 @@ METRIC_NUT_AC_WIDTHS =
 	9.20,//m5
 	11.50,//m6
 	-1,
-	13,//15.00,//m8
+	13.7,//15.00,//m8
 	-1,
 	19.60,//m10
 	-1,