Added rod_ends.scad to lib.scad and lib_test.scad.

Fixed rod_end colours.
Added new pulleys to the test list and reodered.
Printed pulleys nopw shown in two rows.
Updated images and readme.

tests/nuts.scad

@@ -86,12 +86,12 @@ module nuts() {
                nut_square(M8nS_thin_nut);
        }
 
-       translate([0,150]){
+       translate([0,140]) {
             if(n==M4_nut)
                 weld_nut(M4_weld_nut);
             if(n==M6_nut)
                 weld_nut(M6_weld_nut);
-       } 
+       }
     }
 }
 

tests/printed_pulleys.scad

@@ -22,9 +22,16 @@ include <../vitamins/pulleys.scad>
 include <../printed/printed_pulleys.scad>
 use <../utils/layout.scad>
 
+n = len(pulleys) - 1;
+half = floor((n - 1) / 2);
+split = n - half;
+pulleys1 = [for(i = [0 : split - 1]) pulleys[i]];
+pulleys2 = [for(i = [split : n - 1]) pulleys[i]];
 
-module printed_pulley_test(show_metal = false) {
-    layout([for (p = pulleys) pulley_flange_dia(p)]) let(p = pulleys[$i]) {
+max_d = max([for(p = concat(pulleys1, pulleys2)) pulley_flange_dia(p)]);
+
+module do_list(list, show_metal) {
+    layout([for (p = list) max_d]) let(p = list[$i]) {
         rotate(-145)
             if($preview)
                 printed_pulley_assembly(p);
@@ -33,12 +40,23 @@ module printed_pulley_test(show_metal = false) {
 
         if(show_metal)
             not_on_bom()
-                translate([0, 20])
+                translate([0, 60])
                     rotate(-145)
                         pulley_assembly(p);
     }
 }
 
+module printed_pulley_test(show_metal = false) {
+    translate([0, 10])
+        do_list(pulleys1, show_metal);
+
+    translate([0, -10])
+        do_list(pulleys2, show_metal);
+
+    translate([split * (max_d + 5), 0])
+        do_list([pulleys[n]], show_metal);
+}
+
 if($preview)
     printed_pulley_test(true);
 else

tests/rod_ends.scad

@@ -1,3 +1,21 @@
+//
+// NopSCADlib Copyright Chris Palmer 2024
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
 
 include <../utils/core/core.scad>
 use <../utils/layout.scad>
@@ -5,13 +23,12 @@ use <../utils/layout.scad>
 include <../vitamins/rod_ends.scad>
 
 
-module do_rod_ends(list) {
+module rod_ends(list = rod_ends) {
     diameters = [for(b = list) rod_end_bearing_od(b)];
     max = max(diameters);
     layout(diameters) let(b = list[$i])
-        //translate([0, (max - bb_diameter(b)) / 2])
-            rod_end_bearing(list[$i]);
+        rod_end_bearing(list[$i]);
 }
 
 if($preview)
-    do_rod_ends(rod_ends);
+    rod_ends();