Render the new single-layer spindle. Still needs to be rendered and added to the README.

.gitignore

@@ -1,3 +1,4 @@
 *.DS_Store
 benchmark
 releases
+stl/*/*.txt

scad/100ft_v3/gnal_100ft.scad

@@ -257,7 +257,7 @@ module film_guide (rotations = 60, id = 45.55, spacing = 2.075, bottom = -2) {
     spiral(rotations, id, spacing, bottom, $fn);
 }
 
-PART="spiral";
+PART="spindle_single";
 
 if (PART == "spiral") {
     gnal_100ft_spiral();
@@ -277,10 +277,14 @@ if (PART == "spiral") {
     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();
 }

scad/50ft_v3/gnal_50ft.scad

@@ -207,12 +207,16 @@ if (PART == "spiral") {
     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 == "spiral_test") {
     difference () {
         gnal_50ft_spiral();

scad/libraries/gnal_v3.scad

@@ -13,6 +13,8 @@ include <./Triangles.scad>;
  * + clone translated along Z by 0.2mm
  * BOTTOM (small screw)
  * metric_thread (diameter=10, pitch=1.5, thread_size = 1.6, length=LEN);
+ * SINGLE LEVEL (middle screw)
+ *
  */
 
 FINE = 200;
@@ -23,6 +25,7 @@ THREAD = 1.6;
 LEN = 21;
 
 INSERT_D = 26;
+SINGLE_THREAD_D = 12;
 
 function X (start_r, spacing, fn, r, i) = (start_r + (r * spacing) + (i * calcIncrement(spacing, fn))) * cos(i * calcAngle(fn));
 function Y (start_r, spacing, fn, r, i) = (start_r + (r * spacing) + (i * calcIncrement(spacing, fn))) * sin(i * calcAngle(fn));
@@ -272,6 +275,39 @@ module gnal_spiral_bottom_insert_16 () {
     }
 }
 
+module gnal_spiral_bottom_insert_single () {
+    $fn = 160;
+    void_d = 18 - .3;
+    H = 17;
+    D2 = INSERT_D;
+    
+    translate([0, 0, 0]) difference () {
+        union () {
+            cylinder(r = void_d / 2, h = H, center = true);
+            //skirt
+            translate([0, 0, -(H - 1) / 2]) cylinder(r = D2 / 2, h = 1.5, center = true);
+            //notches
+            translate([0, 0, -((H - 2.5) / 2) - .1]) {
+                intersection () {
+                    cylinder(r = D2 / 2, h = 6, center = true);
+                    difference () {
+                        rotate([0, 45, 0]) cube([3, D2 + 2, 3], center = true);
+                        translate([0, 0, -1.5]) cube([6, D2 + 3, 3], center = true);
+                    }
+                }
+                intersection () {
+                    cylinder(r = D2 / 2, h = 6, center = true);
+                    rotate([0, 0, 90]) difference () {
+                        rotate([0, 45, 0]) cube([3, D2 + 2, 3], center = true);
+                        translate([0, 0, -1.5]) cube([6, D2 + 3, 3], center = true);
+                    }
+                }
+            }
+        }
+        translate([0, 0, -LEN / 2]) metric_thread (diameter=SINGLE_THREAD_D, pitch=PITCH, thread_size = THREAD, length = LEN);
+    }
+}
+
 /**
  * Spacers
  **/
@@ -532,10 +568,113 @@ module gnal_spindle_top () {
     }
     //screw
     translate([0, 0, -37.5]) {
-        metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21);
+        metric_thread (diameter=13.6, pitch = PITCH, thread_size = THREAD, length = 21);
     }
     //cylinder plug
     translate([0, 0, -37.5 + (21 / 2) - 1]) {
         cylinder(r = 12 / 2, h = 21, center = true, $fn = FINE);
     }
 }
+
+module gnal_spindle_single () {
+    D = 50;
+    THICKNESS = 2.5;
+    H = 19.5;
+    ROUND = 8;
+
+    HANDLE_D = 13.25;
+    HANDLE_BASE = 16;
+    HANDLE_TOP = 13;
+    HANDLE_H = 54.5;
+
+    NOTCHES = 17;
+    NOTCH = 1.5;
+    FINE = 200;
+
+    SINGLE_INSERT = 11;
+
+    difference () {
+        //cup
+        translate([0, 0, ROUND - 2]) minkowski () {
+            cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = FINE);
+            sphere(r = ROUND, $fn = FINE);
+        }
+        translate([0, 0, ROUND  - 2 + THICKNESS]) minkowski () {
+            cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 200);
+            sphere(r = ROUND, $fn = FINE);
+        }
+        //hollow out cup
+        translate([0, 0, H + ROUND - 4 -  3]) {
+            cylinder(r = (D / 2) + 1, h = H * 2, center = true);
+        }
+        
+        //inner cup bevel
+        translate([0, 0, (H / 2) - ROUND - 1]) {
+            cylinder(r1 = (D / 2) - 2.5, r2 = (D / 2) - 2.5 + 1, h = 1, center = true, $fn = FINE);
+        }
+        //outer cup bevel
+        translate([0, 0, (H / 2) - ROUND - 1]) {
+            difference () {
+                cylinder(r = (D / 2) + .25, h = 1, center = true, $fn = FINE);
+                cylinder(r2 = (D / 2) - .8, r1 = (D / 2) - .8 + 1, h = 1, center = true, $fn = FINE);
+            }
+        }
+        //hole in cup
+        translate([21, 0, -10]) cylinder(r = 3 / 2, h = 40, center = true, $fn = 40);
+    }
+    
+    //reference cylinder
+    //translate([0, 0, -6.6]) color("red") cylinder(r = 50 / 2, h = 19.57, center = true);
+
+    //handle
+    translate([0, 0, -15]) {
+        difference() {
+            cylinder(r1 = HANDLE_BASE / 2, r2 = HANDLE_TOP / 2, h = HANDLE_H, $fn = FINE);
+            //ring negative
+            translate([0, 0, 31 + 14.5]) {
+                difference () {
+                        cylinder(r = HANDLE_D / 2 + 2, h = 20, center = true);
+                        cylinder(r = HANDLE_D / 2 - .5, h = 20 + 1, center = true);
+                }
+            }
+            //handle notches
+            for(i = [0 : NOTCHES]) {
+                rotate([0, 0, i * (360 / NOTCHES)]) {
+                    translate([0, HANDLE_D / 2 - .5, 31 + 14.5]) {
+                       rotate([0.75, 0, 0]) rotate([0, 0, 45]) { 
+                           Right_Angled_Triangle(a = NOTCH, b = NOTCH, height = 20, centerXYZ=[true, true, true]);
+                       }
+                    }
+                }
+            }
+            //bevel handle at top
+           translate([0, 0, 54.01]) {
+                difference () {
+                    cylinder(r = 13 / 2, h = 1, center = true);
+                    cylinder(r1 = 12.5 / 2, r2 = 11.5 / 2, h = 1.01, center = true);
+                }
+            }
+        }
+
+    }
+    //attach handle with pyramid cylinder
+    translate ([0, 0, -13.7]) {
+        cylinder(r1 = 16 / 2 + 2, r2 = 16 / 2 - .1, h = 3, center = true, $fn = FINE);
+    }
+    //plate under cup
+    translate([0, 0, -17.75]) {
+        cylinder(r = 31.5 / 2, h = 1, center = true, $fn = FINE);
+    }
+    //insert for single layer
+    translate ([0, 0, -24.25]) {
+        cylinder(r = 22 / 2, h = 14, center = true, $fn = FINE);
+    }
+    //screw
+    translate([0, 0, -37.5 - SINGLE_INSERT]) {
+        metric_thread (diameter=SINGLE_THREAD_D, pitch = PITCH, thread_size = THREAD, length = 21);
+    }
+    //cylinder plug
+    translate([0, 0, -37.5 - SINGLE_INSERT + (21 / 2) - 1]) {
+        cylinder(r = 10 / 2, h = 21, center = true, $fn = FINE);
+    }
+}

scripts/v3.sh

@@ -3,17 +3,18 @@ V="v3"
 
 echo "Rendering GNAL ${V}"
 
+sh ./scripts/license.sh
+
 VERSION=`bash ./scripts/version.sh`
 CPU=`bash ./scripts/cpu.sh`
 DIST=./stl
 IMG=./img
-
 NOTES=./notes/${V}.csv
 
 #"quarter_a" "quarter_b" "quarter_c" "quarter_d"
 #quarter pieces not rendering properly
 
-FILES=( "spindle_bottom" "spindle_top" "spacer" "top" "spiral" "insert_s8" "insert_16" "spacer_16" )
+FILES=( "spindle_bottom" "spindle_top" "spindle_single" "spacer" "top" "spiral" "insert_s8" "insert_16" "spacer_16" "insert_single" )
 SIZES=( "50ft" "100ft" ) 
 
 mkdir -p $DIST
@@ -85,8 +86,11 @@ do
 			openscad -o "$png" --imgsize=1920,1080 --colorscheme=DeepOcean -D "PART=\"${FILE}\"" "${scad}"
 		fi
 	done
+	# add license to directories for zip
+	cp ./LICENSE.txt "./stl/${SIZE}_v3/"
 	# zip all
 	zip -x ".*" -r "./releases/gnal_${SIZE}_v3.zip" "./stl/${SIZE}_v3/"
 	# tar all
 	tar --exclude=".*" -czvf "./releases/gnal_${SIZE}_v3.tar.gz" "./stl/${SIZE}_v3/"
 done
+