diff --git a/CFTubes.scad b/CFTubes.scad
index 9093251..c8cafe8 100644
--- a/CFTubes.scad
+++ b/CFTubes.scad
@@ -1116,7 +1116,7 @@ COLOURSCHEME_PETGHF_BLUE = [BAMBU_PETGHF_LAKE_BLUE, BAMBU_PETGHF_LAKE_BLUE, "",
 module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
 	$include_colours = include_colours;
 	$guitar_scale_length_mm = PBass_Scale_mm;
-	$id_lines = ["Zweisaiten", "250214"];
+	$id_lines = ["Zweisaiten", "250214-1"];
 	$fsl_mm = fret_scale_length(0);
 
 	$string_diameters_thous = [80, 105];  // Artist BST45130
@@ -1318,7 +1318,7 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
 			belthole_r = 3;
 			belthole_fn = 72;
 			belthole_y1 = trussrod_y-5;
-			belthole_y0 = 140;
+			belthole_y0 = 160;
 			render() for (i = [0:len(arc)-2]) {
 				$fn = belthole_fn;
 				hull() {
@@ -1376,7 +1376,7 @@ module TwoBangerMk2(include_colours=[0,1], segment=-1, preview=false) {
 // colour_scheme = COLOURSCHEME_ABS_BLUE;
 colour_scheme = COLOURSCHEME_ABS_CLOWNFISH;
 // TwoBangerMk2(preview=true);
-segment = 4;
+segment = 1;
 color(colour_scheme[0]) TwoBangerMk2([0], segment);
 color(colour_scheme[1]) TwoBangerMk2([1], segment);
 color(colour_scheme[2]) TwoBangerMk2([2], segment);