Added start at xsled

assembly.scad

@@ -2,9 +2,10 @@ use_colors = true;
 
 xsize = 500;
 ysize = 400;
-sled_size = 6 * 25.4;
+sled_ysize = 5 * 25.4;
+sled_xsize = 6 * 25.4;
 
-cur_xpos = 100;
+cur_xpos = 250;
 cur_ypos = 200;
 
 include <parts.scad>;
@@ -53,7 +54,7 @@ module rails() {
 
 module ysled_rails() {
   frame_offset = frame_size + corner_size / 2;
-  yoff = (sled_size + ysled_extralen * 2 - frame_size) / 2;
+  yoff = ysled_rail_spacing / 2;
   colorize(stock_color)
   for (ypos = [-yoff, yoff])
     translate([frame_size / 2, ypos, 0])
@@ -62,6 +63,19 @@ module ysled_rails() {
 }
 
 
+module xsled() {
+  xdiff = sled_xsize / 2 + frame_size / 2;
+  *for(ypos = [-ysled_rail_spacing/2, ysled_rail_spacing/2]) {
+    translate([-xdiff, ypos, 0])
+      xsled_slider();
+    translate([xdiff, ypos, 0])
+      rotate([0,0,180])
+      xsled_slider();
+  }
+
+  translate([0, 0, frame_size])
+  xsled_frame();
+}
 
 union() {
   frame();
@@ -70,13 +84,18 @@ union() {
 }
 
 translate([frame_size / 2 + corner_size / 2, cur_ypos, 0]) {
-  ysled(associated_parts = true);
+  ysled_slider(spread = sled_ysize, associated_parts = true);
   translate([xsize - frame_size - corner_size, 0, 0])
     rotate([0, 180, 0]) 
-    ysled(associated_parts = true);
+    ysled_slider(spread = sled_ysize, associated_parts = true);
   ysled_rails();
+
+  translate([cur_xpos, 0, 0])
+    xsled();
+  
+  
 }
 
-  //translate([0, 0, -1000]) cube(2000, center=true);
+//translate([0, 0, -1000]) cube(2000, center=true);
 
 

parts.scad

@@ -13,6 +13,11 @@ rail_diam = 8;
 
 ysled_extralen = frame_size; // on each end
 
+// calculated
+
+ysled_rail_spacing = (sled_ysize);
+
+
 
 
 // Generates bar of length $l, centered on origin extending in +Z
@@ -70,8 +75,8 @@ module rail_holder(in_x) {
 }
 
 // centered on 
-module ysled(spread = 6*inch, associated_parts = false) {
+module ysled_slider(spread, associated_parts = false) {
-  sled_len = spread + ysled_extralen * 2;
+  sled_len = spread + frame_size;
   sled_height = frame_size;
   
   colorize("green")
@@ -137,3 +142,74 @@ module brcorner() {
     rail_holder(false);
   }
 }
+
+module xsled_slider() {
+  slider_len = bushing_len + 10;
+  screw_tab_len = 20;
+  screw_tab_thickness = 10;
+  
+  render()
+    //translate([screw_tab_len, 0, 0])
+  difference() {
+    union() {
+      rotate([0, 90, 0]) {
+	cylinder(d = frame_size, h = slider_len);
+      }
+
+      translate([0, -frame_size/2, 0])
+      cube([slider_len, frame_size, frame_size / 2]);
+
+      *translate([-screw_tab_len, -frame_size/2, frame_size/2])
+	cube([screw_tab_len * 2 + slider_len, frame_size, screw_tab_thickness]);
+    }
+    rotate([0, 90, 0]) {
+      cylinder(d = bushing_od, h = bushing_len);
+      cylinder(d = rail_diam * 1.1, slider_len * 2);
+    }
+    
+  }
+  rotate([0, 90, 0])
+    *bushing();
+}
+
+module sled_cornera() {
+  corner_base();
+  translate([-frame_size/2 - wall_thickness, 0, -frame_size])
+    xsled_slider();
+}
+
+module sled_cornerb() {
+  corner_base();
+  rotate([0,0,90])
+  translate([-frame_size/2 - wall_thickness, 0, -frame_size])
+    xsled_slider();
+}
+
+module xsled_frame() {
+  translate([-sled_xsize / 2 + corner_offset, -ysled_rail_spacing/2, 0])
+    rotate([0, 90, 0])
+    tslot(sled_xsize - corner_offset * 2);
+  translate([-sled_xsize / 2 + corner_offset, ysled_rail_spacing/2, 0])
+    rotate([0, 90, 0])
+    tslot(sled_xsize - corner_offset * 2);
+  translate([-sled_xsize / 2, -ysled_rail_spacing/2 + corner_offset, 0])
+    rotate([-90, 0, 0])
+    tslot(sled_ysize - corner_offset * 2);
+  translate([sled_xsize / 2, -ysled_rail_spacing/2 + corner_offset, 0])
+    rotate([-90, 0, 0])
+    tslot(sled_ysize - corner_offset * 2);
+
+  translate([-sled_xsize / 2, -sled_ysize / 2, 0])
+    sled_cornera();
+  translate([sled_xsize / 2, sled_ysize / 2, 0])
+    rotate([0,0,180])
+    sled_cornera();
+  
+  translate([sled_xsize / 2, -sled_ysize / 2, 0])
+    rotate([0,0,90])
+    sled_cornerb();
+  translate([-sled_xsize / 2, sled_ysize / 2, 0])
+    rotate([0,0,270])
+    sled_cornerb();
+  
+}