From 69da7420fe409a44aafcb4bd9fcab6974961d2d0 Mon Sep 17 00:00:00 2001
From: sixteenmillimeter <matt@sixteenmillimeter.com>
Date: Wed, 17 Feb 2021 22:13:22 -0500
Subject: [PATCH] Add engraved roman numerals into the spindle screws to tell
 the difference between the double layer and the single layer spindles.

---
 scad/100ft_v3/gnal_100ft.scad |  2 +-
 scad/libraries/gnal_v3.scad   | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/scad/100ft_v3/gnal_100ft.scad b/scad/100ft_v3/gnal_100ft.scad
index bef596d..b2fd963 100644
--- a/scad/100ft_v3/gnal_100ft.scad
+++ b/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="spindle_single";
+PART="spindle_top";
 
 if (PART == "spiral") {
     gnal_100ft_spiral();
diff --git a/scad/libraries/gnal_v3.scad b/scad/libraries/gnal_v3.scad
index 6cd1c0c..86c9603 100644
--- a/scad/libraries/gnal_v3.scad
+++ b/scad/libraries/gnal_v3.scad
@@ -479,6 +479,12 @@ module gnal_spindle_bottom (ALT = false, HEX = false) {
     }  
 }
 
+module number_one () {
+    rotate([0, 45, 0]) cube([1, 6, 1], center = true);
+    translate([0, 6 / 2, 0]) rotate([45, 0, 0]) cube([2, 1, 1], center = true);
+    translate([0, -6 / 2, 0]) rotate([45, 0, 0]) cube([2, 1, 1], center = true);
+}
+
 module gnal_spindle_top () {
     D = 50;
     THICKNESS = 2.5;
@@ -531,6 +537,9 @@ module gnal_spindle_top () {
     translate([0, 0, -15]) {
         difference() {
             cylinder(r1 = HANDLE_BASE / 2, r2 = HANDLE_TOP / 2, h = HANDLE_H, $fn = FINE);
+            //text
+            translate([3 / 2, 0, 15 + 39.75]) number_one();
+            translate([-3 / 2, 0, 15 + 39.75]) number_one();
             //ring negative
             translate([0, 0, 31 + 14.5]) {
                 difference () {
@@ -627,9 +636,12 @@ module gnal_spindle_single () {
     //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);
+            //text
+            translate([0, 0, 15 + 39.75]) number_one();
             //ring negative
             translate([0, 0, 31 + 14.5]) {
                 difference () {