Rendered 50ft models with updated measurements and scripts.

notes/stacking_debug.scad

@@ -0,0 +1,99 @@
+/**
+ * Used to workshop the stacking screw 
+ * */
+
+module stacking_debug () {
+    translate([0, 0, 72 + 72 + 36]) {
+        color("blue") gnal_spindle_top();
+    }
+    translate([0, 0, 72 + 72]) rotate([0, 180, 0]) intersection () {
+        gnal_50ft_top();
+        cylinder(r = 50 / 2, h = 50, center = true);
+    }
+    
+    translate([0, 0, 72 + 30]) {
+        color("blue") rotate([0, 180, 0]) gnal_spindle_bottom();
+    }
+    
+    translate([0, 0, 72 + 36]) difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+    }
+    
+    translate([0, 0, 36 + 30]) {
+        color("green") rotate([0, 180, 0]) gnal_stacking_spindle();
+    }
+    
+    translate([0, 0, 72]) difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+    }
+    
+    translate([0, 0, 30]) {
+        color("green") rotate([0, 180, 0]) gnal_stacking_spindle();
+    }
+    
+    translate([0, 0, 36]) difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+    }
+    
+    color("blue") translate([0, 0, 12 + 3]) gnal_spacer_16();
+    //#1 - bottom spiral
+    difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+        translate([0, 0, -8]) spiral_insert_void();
+    }
+    
+    color("blue") translate([0, 0, -12]) gnal_spiral_bottom_insert_16();
+    
+}
+
+module stacking_debug2 () {
+    translate([0, 0, 72 + 47]) {
+        color("blue") gnal_spindle_top();
+    }
+    translate([0, 0, 72 + 26]) rotate([0, 180, 0]) intersection () {
+        gnal_50ft_top();
+        cylinder(r = 50 / 2, h = 50, center = true);
+    }
+    
+    translate([0, 0, 72 - 4]) {
+        color("blue") rotate([0, 180, 0]) gnal_spindle_bottom();
+    }
+    
+    translate([0, 0, 72 + 8]) difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+    }
+    
+    translate([0, 0, 36 + 8]) {
+        color("green") rotate([0, 180, 0]) gnal_stacking_spindle();
+    }
+    
+    translate([0, 0, 55.5]) difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+    }
+    
+    translate([0, 0, 20]) {
+        color("green") rotate([0, 180, 0]) gnal_stacking_spindle();
+    }
+    
+    translate([0, 0, 32]) difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+    }
+    
+    color("blue") translate([0, 0, 12 + 3 + 5]) gnal_spacer_16();
+    //#1 - bottom spiral
+    translate([0, 0, 8]) difference () {
+        cylinder(r = 50 / 2, h = 16, center = true);
+        cylinder(r = 22.5 / 2, h = 16 + 1, center = true);
+        translate([0, 0, -8]) spiral_insert_void();
+    }
+    color("blue") translate([0, 0, 11]) gnal_spiral_bottom_insert_16();
+    H = 120;
+    translate([0, 0, H / 2 - 2]) color("red") cube([1, 50, H], center = true);
+}

scad/100ft_v3/gnal_100ft.scad

@@ -3,6 +3,8 @@
 include <../libraries/gnal_v3.scad>;
 
 SPOKE_COUNT = 24;
+FN = 200;
+$fn = FN;
 
 module gnal_100ft_spiral (spiral_count = 60, od = 298.75, quarter = false) {
     outer_d = 299;
@@ -250,9 +252,6 @@ module gnal_100ft_top () {
     }    
 }
 
-FN = 200;
-$fn = FN;
-
 module film_guide (rotations = 60, id = 45.55, spacing = 2.075, bottom = -2) {
     spiral(rotations, id, spacing, bottom, $fn);
     //reinforce outer spiral
@@ -278,18 +277,20 @@ if (PART == "spiral") {
     gnal_100ft_top();
 } else if (PART == "spacer") {
     gnal_spacer();
+} else if (PART == "spacer_16") {
+    gnal_spacer_16();
 } else if (PART == "insert_s8") {
     gnal_spiral_bottom_insert_s8();
 } else if (PART == "insert_16") {
     gnal_spiral_bottom_insert_16();
 } else if (PART == "insert_single") {
     gnal_spiral_bottom_insert_single();
-} else if (PART == "spacer_16") {
-    gnal_spacer_16();
 } else if (PART == "spindle_top") {
     gnal_spindle_top();
 } else if (PART == "spindle_bottom") {
     gnal_spindle_bottom();
 } else if (PART == "spindle_single") {
     gnal_spindle_single();
+} else if (PART == "spindle_stacking") {
+    rotate([0, 180, 0]) gnal_stacking_spindle();
 }

scad/50ft_v3/gnal_50ft.scad

@@ -3,6 +3,8 @@
 include <../libraries/gnal_v3.scad>;
 
 SPOKE_COUNT = 24;
+FN = 200;
+$fn = FN;
 
 module gnal_50ft_spiral (spiral_count = 40, od = 215.75, quarter = false) {
     outer_d = 215;
@@ -180,9 +182,6 @@ module gnal_50ft_top () {
     }        
 }
 
-FN = 200;
-$fn = FN;
-
 module film_guide (rotations = 40, id = 45.55 - .5, spacing = 2.075, bottom = -2) {
     spiral(rotations, id, spacing, bottom, $fn);
     //reinforce outer spiral
@@ -193,39 +192,6 @@ module film_guide (rotations = 40, id = 45.55 - .5, spacing = 2.075, bottom = -2
     
 }
 
-module gnal_stacking_spindle () {
-    OD = 10.5 + .3;
-    IN_LEN = 21;
-    
-    LEN = 17.1;
-    ALT_LEN = 27.1;
-    difference () {
-        union () {
-            gnal_spindle_base();
-            translate([0, 0, -23.75]) gnal_spacer_solid();
-        }
-        //inner screw negative
-        translate([0, 0, -30]) union() {
-            if (DEBUG) {
-                cylinder(r = OD / 2, h = IN_LEN);
-            } else { 
-                metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
-            }
-            translate([0, 0, 0.2]) {    
-                if (DEBUG) {
-                    cylinder(r = OD / 2, h = IN_LEN);
-                } else {
-                    metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
-                }
-            }
-        }
-   }
-
-    difference () {
-         outer_screw(LEN - 2);
-    }  
-}
-
 PART="spiral";
 
 if (PART == "spiral") {
@@ -242,22 +208,21 @@ if (PART == "spiral") {
     gnal_50ft_top();
 } else if (PART == "spacer") {
     gnal_spacer();
+} else if (PART == "spacer_16") {
+    gnal_spacer_16();
 } else if (PART == "insert_s8") {
     gnal_spiral_bottom_insert_s8();
 } else if (PART == "insert_16") {
     gnal_spiral_bottom_insert_16();
 } else if (PART == "insert_single") {
     gnal_spiral_bottom_insert_single();
-} else if (PART == "spacer_16") {
-    gnal_spacer_16();
 } else if (PART == "spindle_top") {
     gnal_spindle_top();
 } else if (PART == "spindle_bottom") {
     gnal_spindle_bottom();
 } else if (PART == "spindle_single") {
-    gnal_spindle_top();
-} else if (PART == "stacking") {
-    //stacking();
+    gnal_spindle_single();
+} else if (PART == "spindle_stacking") {
     rotate([0, 180, 0]) gnal_stacking_spindle();
 } else if (PART == "spiral_test") {
     difference () {
@@ -271,6 +236,8 @@ if (DEBUG) {
     echo("WARNING: DEBUG is enabled");
 }
 
+/*
 echo($vpt);
 echo($vpr);
-echo($vpd);
+echo($vpd);
+*/

scad/libraries/gnal_v3.scad

@@ -18,7 +18,6 @@ include <./Triangles.scad>;
  */
 
 DEBUG = false;
-
 FINE = 200;
 
 OD = 10 + .5;
@@ -238,7 +237,7 @@ module spiral_insert_void () {
 module gnal_spiral_bottom_insert_s8 () {
     $fn = 160;
     OD = 10.5 + .3;
-    void_d = 18 - .3;
+    void_d = 18 - .6;
     H = 17;
     D2 = INSERT_D;
     
@@ -279,7 +278,7 @@ module gnal_spiral_bottom_insert_16 () {
     $fn = 160;
     OD = 10.5 + .3;
     
-    void_d = 18 - .3;
+    void_d = 18 - .6;
     H = 17 + 8;
     D2 = INSERT_D;
     
@@ -332,7 +331,7 @@ module gnal_spiral_bottom_insert_16 () {
  **/
 module gnal_spiral_bottom_insert_single () {
     $fn = 160;
-    void_d = 18 - .3;
+    void_d = 18 - .6;
     H = 17;
     D2 = INSERT_D;
     
@@ -792,4 +791,37 @@ module gnal_spindle_single () {
     translate([0, 0, -37.5 - SINGLE_INSERT + (21 / 2) - 1]) {
         cylinder(r = 10 / 2, h = 21, center = true, $fn = FINE);
     }
+}
+
+module gnal_stacking_spindle () {
+    OD = 10.5 + .3;
+    IN_LEN = 21;
+    
+    LEN = 17.1;
+    ALT_LEN = 27.1;
+    difference () {
+        union () {
+            gnal_spindle_base();
+            translate([0, 0, -23.75]) gnal_spacer_solid();
+        }
+        //inner screw negative
+        translate([0, 0, -30]) union() {
+            if (DEBUG) {
+                cylinder(r = OD / 2, h = IN_LEN);
+            } else { 
+                metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
+            }
+            translate([0, 0, 0.2]) {    
+                if (DEBUG) {
+                    cylinder(r = OD / 2, h = IN_LEN);
+                } else {
+                    metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
+                }
+            }
+        }
+   }
+
+    difference () {
+         outer_screw(LEN - 2);
+    }  
 }

scripts/v3.sh

@@ -14,7 +14,7 @@ DIST=./stl
 CSG=./csg
 IMG=./img
 NOTES=./notes/${V}.csv
-STEP=true
+STEP=false
 LOGGING=true
 
 #"quarter_a" "quarter_b" "quarter_c" "quarter_d"
@@ -23,7 +23,8 @@ LOGGING=true
 FILES=( 
 	"spindle_bottom" 
 	"spindle_top" 
-	"spindle_single"  
+	"spindle_single"
+	"spindle_stacking"  
 	"insert_s8" 
 	"insert_16" 
 	"spacer"
@@ -118,9 +119,9 @@ render_part () {
 		fullPath=`realpath "${stl}"`
 		data="import(\"${fullPath}\");"
 		echo data > "${tmp}.scad"
-		openscad -o "$png" --imgsize=2048,2048 --colorscheme=DeepOcean "${tmp}.scad"
+		openscad -o "$png" --csglimit=2000000 --imgsize=2048,2048 --colorscheme=DeepOcean "${tmp}.scad"
 	else
-		openscad -o "$png" --imgsize=2048,2048 --colorscheme=DeepOcean -D "PART=\"${FILE}\"" "${scad}"
+		openscad -o "$png" --csglimit=1000000 --imgsize=2048,2048 --colorscheme=DeepOcean -D "PART=\"${FILE}\"" "${scad}"
 	fi
 }