add hand hull to keep spool from falling off end of holder

diff --git a/mk2-haribo-spool-holder.scad b/mk2-haribo-spool-holder.scad
index 2518ff579a4007062ce752d2fdd54715cb9740d3..0b8c55fcbd9a7d2ded5ce6ce72750c963376ec13 100644 (file)
--- a/mk2-haribo-spool-holder.scad
+++ b/mk2-haribo-spool-holder.scad
@@ -108,10 +108,29 @@ module forearm_hull() {
   linear_extrude(height = 120.5) {
     forearm_profile(); } }
 
+module hand_profile() {
+  minkowski() {
+    polygon([[0, 0],
+             [14, 0],
+             [19.5, 20],
+             [7, 20]]);
+    circle(5); } }
+
+module hand_hull() {
+  hull() {
+    difference() {
+      forearm_hull();
+      translate([-30, -30, -300 + 106]) {
+        cube(300); } }
+    translate([53, 135, 115.6]) {
+      linear_extrude(height = 5) {
+        hand_profile(); } } } }
+
 shoulder_hull();
 upper_arm_hull();
 elbow_hull();
 forearm_hull();
+hand_hull();
 
 module original_forearm_profile() {
   %projection(true) {
@@ -127,6 +146,11 @@ module original_spool_holder() {
   %translate([-315, 0, 0]) {
     import("Spool-holder.stl"); } }
 
+module original_hand_profile() {
+  %projection(true) {
+    translate([-368, -135, -117]) {
+      import("Spool-holder.stl"); } } }
+
 /*
   This file is part of 3d-printables.