diff --git a/outdoor/headlampv2.scad b/outdoor/headlampv2.scad
index 9c50319..3652fc6 100644
--- a/outdoor/headlampv2.scad
+++ b/outdoor/headlampv2.scad
@@ -1,8 +1,11 @@
-// Headlamp bracket to mount lamp to nylon strap v1
+// Headlamp bracket to mount lamp to nylon strap v2
+// mostly tested with 21mm light and 20mm strap
 // requires tweaking of plateScale when changing strap width
 // v2 TODO:
 //     autoscale plate geometry with strapwidth, light cant
 //     headcurve is janky
+//
+//  PRINT: +1 base, +1 perimeter, 50% infill, random seam
 
 // downward light angle
 lCant = 20;
@@ -10,25 +13,25 @@ lCant = 20;
 clipRot = -30;
 // clip length:
 clipLength = 29;
-// light diameter, testing at 0.25 below measured for tightness?
-lDiam = 20.75;
+// light diameter, testing at 0.1 over measured
+lDiam = 21.1;
 // clip tightness, use 0.8 (tight) to 0.99 (no retention)
-clippiness = 0.85;
+clippiness = 0.875;
 
 // plate thick
-plateThick = 7;
+plateThick = 8.5;
 // plate scale - how many times cliplength, affected by strap and cant
 // 2.7 seems right for 25mm strap, 1.9 for 20mm strap
-plateScale = 1.5;
+plateScale = 1.45;
 
-// strap width
-strapWide = 21;
-// strap thickness try 3mm
-strapThick = 2.1;
+// strap width, rec 0.5mm under
+strapWide = 19.5;
+// strap thickness try 2mm
+strapThick = 1.9;
 
 // head curve, puts slight curve in head side
-hcRad = 400;
-hcDepth = 4.8;
+hcRad = 250;
+hcDepth = 5.5;
 
 minkRad = 2;
 $fn = 20;
@@ -84,17 +87,17 @@ translate([0, 0, -22]){
     cube([99, 99, 44], center = true);
   }
 // cut off back of plate channel for strap
-translate([-43.5 - minkRad, strapWide / 2 + 8, 0]){
+translate([-44 - minkRad, strapWide / 2 + 8, 0]){
     cube([88, strapWide, 222], center = true);
   }
 // add top slot
-translate([-2, strapWide / 2 + 8, (plateScale + 1) / 1.95 * clipLength * cos(lCant)]){
+translate([-2, strapWide / 2 + 8, (plateScale + 1) / 1.825 * clipLength * cos(lCant)]){
     rotate([0, 45, 0]){
         cube([16, strapWide, strapThick], center = true);
       }
   }
 // add bottom slot
-translate([-2, strapWide / 2 + 8, strapWide / 2]){
+translate([-2, strapWide / 2 + 8, strapWide / 4]){
     rotate([0, -45, 0]){
         cube([16, strapWide, strapThick], center = true);
       }