trigonometry Is Good

SRC/circuit0.scad

@@ -0,0 +1,22 @@
+//Make a loop using 16 curved rails
+
+
+use <cross90.scad>;
+//cross90();
+use <courbes22.5.scad>;
+// curve_right()
+use <courbes22.5-reverse.scad>
+//  curve_left()
+use <rails.scad>;
+// rail();
+
+
+
+ for(i = [0 : 1 : 15]){
+     translate( [250.19*cos(i*22.5),
+                250.19*(1 + sin(i*22.5)),
+                0])
+        rotate([0,0,(i+20)*22.5])
+            curve_right();
+ }
+

SRC/courbes22.5-reverse.scad

@@ -1,9 +1,13 @@
-
+module curve_right(){
+    translate([-100,50,0])
+    union(){
 
     linear_extrude (height=2)
         import (file="rails.dxf", layer="courbes-reverse-traverses", $fn=100);
 
     linear_extrude (height=4.5)
         import (file="rails.dxf", layer="courbes-reverse-rails", $fn=100);
-        
+    }
+}
+curve_right();
         

SRC/courbes22.5.scad

@@ -1,5 +1,11 @@
-linear_extrude (height=2)
+module curve_right(){
+    translate([-100,-50,0])
+    union(){
+    linear_extrude (height=2)
         import (file="rails.dxf", layer="courbes-traverses", $fn=100);
         linear_extrude (height=4.5)
         import (file="rails.dxf", layer="courbes-rails", $fn=100);
+    }
+}
 
+curve_right();

SRC/cross90.scad

@@ -1,9 +1,15 @@
-linear_extrude (height=2)
+module cross90(){
+    translate([0,-50,0])
+    union(){
+
+        linear_extrude (height=2)
             import (file="rails.dxf", layer="cross90-traverses", $fn=100);
-translate([0,0,0.001])
+        translate([0,0,0.001])
-linear_extrude (height=4.5)
+        linear_extrude (height=4.5)
             import (file="rails.dxf", layer="cross90-rails", $fn=100);
-
+    }
+}
+cross90();
        
 
       

SRC/rails.scad

@@ -1,8 +1,15 @@
-translate( [0,0,0]) 
+module rail(){
+    translate([0,-50,0])
+    union(){
+
+        translate( [0,0,0]) 
     linear_extrude (height=2)
         import (file="rails.dxf", layer="traverses", $fn=100);
-translate( [0,0,0.001]) 
+        translate( [0,0,0.001]) 
     linear_extrude (height=4.5)
         import (file="rails.dxf", layer="rails", $fn=100);
+    }
+}
+rail();