Merge ee5ddedcad into c95938da94

gridfinity-rebuilt-bins.scad

@@ -54,7 +54,9 @@ enable_zsnap = false;
 style_tab = 1; //[0:Full,1:Auto,2:Left,3:Center,4:Right,5:None]
 // how should the top lip act
 style_lip = 0; //[0: Regular lip, 1:remove lip subtractively, 2: remove lip and retain height]
-// scoop weight percentage. 0 disables scoop, 1 is regular scoop. Any real number will scale the scoop. 
+// generate tabs on the lid to help align stacked bins
+stacking_tabs = false;
+// scoop weight percentage. 0 disables scoop, 1 is regular scoop. Any real number will scale the scoop.
 scoop = 1; //[0:0.1:1]
 // only cut magnet/screw holes at the corners of the bin to save uneccesary print time
 only_corners = false;
@@ -155,4 +157,4 @@ gridfinityInit(gx, gy, height(6), 0, 42) {
     cut(j*gx/(i+1),gy-i-1,gx/(i+1),1,0);
 }
 gridfinityBase(gx, gy, 42, 0, 0, 1);
-*/
+*/

gridfinity-rebuilt-lite.scad

@@ -33,7 +33,8 @@ divy = 2;
 enable_zsnap = false;
 // how should the top lip act
 style_lip = 0; //[0: Regular lip, 1:remove lip subtractively, 2: remove lip and retain height]
-
+// generate tabs on the lid to help align stacked bins
+stacking_tabs = false;
 /* [Other] */
 // determine what the variable "gridz" applies to based on your use case
 gridz_define = 0; // [0:gridz is the height of bins in units of 7mm increments - Zack's method,1:gridz is the internal height in millimeters, 2:gridz is the overall external height of the bin in millimeters]
@@ -94,4 +95,4 @@ module gridfinityLite(gridx, gridy, gridz, gridz_define, style_lip, enable_zsnap
         }
 
     }
-}
+}

gridfinity-rebuilt-utility.scad

@@ -38,7 +38,9 @@ module gridfinityInit(gx, gy, h, h0 = 0, l = l_grid) {
     block_wall(gx, gy, l) {
         if (style_lip == 0) profile_wall();
         else profile_wall2();
-    } 
+    }
+
+    if ((style_lip == 0) && stacking_tabs) generate_tabs();
     }
 }
 // Function to include in the custom() module to individually slice bins
@@ -494,3 +496,82 @@ module sweep_rounded(w=10, h=10) {
     }
 }
 
+module generate_tabs() {
+    if ($gxx > 1) {
+        for (xtab=[1:$gxx-1]) {
+            lip_tab(xtab, 0);
+            lip_tab(xtab, $gyy);
+        }
+    }
+
+    if ($gyy > 1) {
+        for (ytab=[1:$gyy-1]) {
+            lip_tab(0, ytab);
+            lip_tab($gxx, ytab);
+        }
+    }
+}
+
+
+module lip_tab(x, y) {
+
+    //Calculate rotation of lip based on which edge it is on
+    rot = (x == $gxx) ? 0 : ((x == 0) ? 180 : ((y == $gyy) ? 90 : 270));
+    wall_thickness = r_base-r_c2+d_clear*2;
+
+    translate(
+        [(x * l_grid) - ((l_grid * $gxx / 2)),
+         (y * l_grid) - ((l_grid * $gyy / 2)),
+         $dh+h_base]) {
+        rotate([0, 0, rot])
+        translate([-r_base-d_clear,-r_base,0]) {
+            //Extrude the wall profile in circle; same as you would at a corner of bin
+            //Intersection - limit it to the section where the lip would not interfere with the base
+            intersection() {
+                translate([wall_thickness, -r_base*1.5, 0]) cube([wall_thickness, r_base*5, (h_lip)*5]);
+                translate([0,0,-$dh]) union() {
+                    rotate_extrude(angle=90) profile_wall();
+                    translate([0, r_base*2, 0]) rotate_extrude(angle=-90) profile_wall();
+                }
+            }
+            //Fill the gap between rotational extrusions (think of it as the gap between bins, if this was multiple bins instead of tabs)
+            difference() {
+                translate([wall_thickness, 0, -h_lip*0.5]) cube([(r_base-wall_thickness)-r_f1, r_base*2, h_lip*1.5]);
+                cylinder(h=h_lip*3, r=r_base-r_f1, center=true);
+                translate([0, r_base*2, 0]) cylinder(h=h_lip*3, r=r_base-r_f1, center=true);
+            }
+        }
+    }
+}
+
+// module lip_tab(x, y) {
+//     // I can't figure out what the wall thickness is, I'll assume 2.15
+
+//     wall_thickness = 2.15;
+
+//     // how much of the first outer bevel sits "above" the lip when these mate properly
+//     // This is an odd unit of measure.
+//     percent_over = .33;
+//     distance_offset = (1 - percent_over) * wall_thickness;
+
+//     rot = (x == $gxx) ? 180 : ((x == 0) ? 0 : ((y == $gyy) ? 270 : 90));
+
+//     translate(
+//         [(x * l_grid) - ((l_grid * $gxx / 2)),
+//          (y * l_grid) - ((l_grid * $gyy / 2)),
+//          $dh + h_lip + distance_offset]) {
+//         rotate([0, 0, rot]) {
+//             difference() {
+//                 translate([d_clear, 2 * r_c2, 0])
+//                     rotate([90, 0, 0])
+//                     hull() {
+//                     cube([r_f1, r_f1, 4 * r_c2]);
+//                     translate([wall_thickness - d_clear - r_f1, 0]) cube([r_f1, r_f1, 4 * r_c2]);
+//                     translate([wall_thickness - d_clear - r_f1, h_base - distance_offset - r_f1]) cube([r_f1, r_f1, 4 * r_c2]);
+//                     translate([r_f1, h_base - distance_offset - r_f1]) cylinder(r=r_f1, h=4* r_c2);
+//                 }
+//                 gridfinityBase(2, 2, l_grid, 1, 1, 0, 0.5, false);
+//             }
+//         }
+//     }
+// }