topeak-mtx-tortec-expeditionrack-adapter: combine (nfc)

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/topeak-mtx-tortec-expeditionrack-adapter.scad b/topeak-mtx-tortec-expeditionrack-adapter.scad
index 423815796c8b868fc4f22d51269a04cf0fa5fabc..0d4994f6648ea1d5432fddacfdec2d18c206cc50 100644 (file)
--- a/topeak-mtx-tortec-expeditionrack-adapter.scad
+++ b/topeak-mtx-tortec-expeditionrack-adapter.scad
@@ -412,13 +412,14 @@ module RackForDemoRails(){
 
 module RackForDemoCrosses(){
   ForRackForDemo() {
-    translate([0,0, rear_to_cross_rail])
-      linextr_x_yz(rack_rail_x, -rack_rail_x)
-      circle(r= rack_rail_dia/2);
-
-    translate([0,0, rear_to_cross_rail - cross_rail_distance])
-      linextr_x_yz(rack_rail_x, -rack_rail_x)
-      circle(r= rack_rail_dia/2);
+    for (z = [
+             rear_to_cross_rail,
+             rear_to_cross_rail - cross_rail_distance,
+             ]) {
+      translate([0,0,z])
+       linextr_x_yz(rack_rail_x, -rack_rail_x)
+       circle(r= rack_rail_dia/2);
+    }
   }
 }