holetest: Break out sz

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

diff --git a/holetest.scad b/holetest.scad
index d3fb80aa8e0b84c99b5a0dcce9f2ef2abde5249a..b99f7951f3482057586f6382410a90d88f9f8619 100644 (file)
--- a/holetest.scad
+++ b/holetest.scad
@@ -3,8 +3,9 @@
 difference(){
 cube([50,10,5], center=true);
 for (i=[0:2:10]) {
-echo((4 + i/10));
-translate([(i-5)/2 * 7, 0, -7 ])
-cylinder(r= (4 + i/10)/2, h=14, $fn=10);
-}
+  sz = 4 + i/10;
+  echo(sz);
+  translate([(i-5)/2 * 7, 0, -7 ])
+    cylinder(r= sz/2, h=14, $fn=10);
+ }
 }