optional endstop holder on tube clamp, initial idea

diff --git a/box_frame/extras/tube_clamp.scad b/box_frame/extras/tube_clamp.scad
index 650a946..def9640 100644 (file)
--- a/box_frame/extras/tube_clamp.scad
+++ b/box_frame/extras/tube_clamp.scad
@@ -4,23 +4,35 @@
 include <../configuration.scad>;
 $fn=64;
 
-module tube_clamp(tube_r, wall_width=3, screw=false) {
+module tube_clamp(tube_r, wall_width=3, endstop=false) {
     //wall_width is in single_wall_widths, 
     difference() {
+        union(){
         intersection() {
             union(){
                 cylinder(r=tube_r + wall_width * single_wall_width, h=10);
                 translate([-4.5, 0, 0]) cube([9, 20, 10]);
             }
             cylinder(r=tube_r + 5 + wall_width * single_wall_width, h=10);
+        }
+            if (endstop) {
+                #translate([-4.5, 10, 0]) cube([4.5, 20, 10]);
+            }
         }
         translate([0, 0, -0.5]) cylinder(r=tube_r, h=11);
-        translate([-0.5, 0, -0.5]) cube([1, 15, 11]);
+        #translate([-0.5, 0, -0.5]) cube([1, 25, 11]);
 
         translate([-7, max (6, tube_r + wall_width * single_wall_width + 0.5) , 5]) {
             rotate([0, 90, 0]) screw(r=1.7, r_head=m3_washer_diameter/2, head_drop=3, slant=false);
             translate([10, 0, 0]) rotate([0, 90, 0]) cylinder(r=m3_nut_diameter_horizontal/2, $fn=6, h=2);
         }
+        if (endstop) {
+            #translate([0, 10, 5]) rotate([0, 90, 0]) {
+                cylinder(r = 1.2, h=10);
+                translate([0, 10, 0])
+                cylinder(r = 1.2, h=10);
+            }
+        }
 
     }
 }
@@ -28,7 +40,7 @@ module tube_clamp(tube_r, wall_width=3, screw=false) {
 tube_clamp(3.5);
 translate([15, 0, 0]) tube_clamp(3.5);
 translate([0, 20, 0]) {
-    tube_clamp(bushing_xy[0]);
+    tube_clamp(bushing_xy[0], endstop=true);
     translate([20, 0, 0]) tube_clamp(bushing_xy[0]);
     translate([-20, 0, 0]) tube_clamp(bushing_z[0]);
 }