From c3ab6f116e95f5f474164f4a3a3a23d17a3edcfb Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Thu, 29 Nov 2018 14:44:17 +0100
Subject: [PATCH] nerf.scad: thicker border

---
 nerf.scad | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/nerf.scad b/nerf.scad
index 9bdddb7..33acd58 100644
--- a/nerf.scad
+++ b/nerf.scad
@@ -2,12 +2,13 @@ eps = 0.01;
 infty = 100;
 
 wall = 1;
+cyl_wall = 1.5;
 
-lens_d = 41.5;
+lens_d = 41.5 - 1.5;
 lens_side_l = 25;
 rail_in = 13.5;
-rail_ex = 18.2;
-rail_thick = 3.4;
+rail_ex = 18.6;
+rail_thick = 3.6;
 rail_depth = rail_thick + wall;
 body_l = 55;
 rail_in_l = 15;
@@ -22,7 +23,7 @@ difference() {
 		difference() {
 			union() {
 				// outer cylinder
-				cylinder(r = lens_d/2 + 2*wall, h = body_l);
+				cylinder(r = lens_d/2 + 2*cyl_wall, h = body_l);
 				// rail base
 				translate([-rail_ex/2-wall, -lens_d/2-rail_depth-2*wall, 0])
 					cube([rail_ex+2*wall, lens_d/2+rail_depth+2*wall, body_l]);
@@ -50,8 +51,8 @@ difference() {
 		}
 		// inside supports
 		for (angle = [-27, 27, 120, 240]) rotate([0, 0, angle])
-			translate([0, -lens_d/2-wall, -2*eps])
-				cylinder(r = wall, h = body_l + 4*eps);
+			translate([0, -lens_d/2-cyl_wall, -2*eps])
+				cylinder(r = cyl_wall, h = body_l + 4*eps);
 	}
 	// slanted cylinder cut
 	translate([-infty/2, cos(60)*lens_d/2, body_l+lens_side_l])
-- 
2.43.0