Allow mixing and matching hole options

gridfinity-rebuilt-bins.scad

@@ -72,17 +72,30 @@ style_tab = 1; //[0:Full,1:Auto,2:Left,3:Center,4:Right,5:None]
 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.
 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;
 
 /* [Base] */
-style_hole = 4; // [0:no holes, 1:magnet holes only, 2: magnet and screw holes - no printable slit, 3: magnet and screw holes - printable slit, 4: Gridfinity Refined hole - no glue needed]
 // number of divisions per 1 unit of base along the X axis. (default 1, only use integers. 0 means automatically guess the right division)
 div_base_x = 0;
 // number of divisions per 1 unit of base along the Y axis. (default 1, only use integers. 0 means automatically guess the right division)
 div_base_y = 0;
 
+/* [Base Hole Options] */
+// only cut magnet/screw holes at the corners of the bin to save uneccesary print time
+only_corners = false;
+//Use gridfinity refined hole style. Not compatible with magnet_holes!
+refined_hole = true;
+// Base will have holes for 6mm Diameter x 2mm high magnets.
+magnet_holes = false;
+// Base will have holes for M3 screws.
+screw_holes = false;
+// Magnet holes will have crush ribs to hold the magnet.
+crush_ribs = false;
+// Magnet holes will have a chamfer to ease insertion.
+chamfer_magnet_holes = false;
+// Allows printing screw holes with magnet holes without using supports.
+printable_magnet_hole_top = false;
 
+hole_options = bundle_hole_options(refined_hole, magnet_holes, screw_holes, crush_ribs, chamfer_magnet_holes, printable_magnet_hole_top);
 
 // ===== IMPLEMENTATION ===== //
 
@@ -98,7 +111,7 @@ gridfinityInit(gridx, gridy, height(gridz, gridz_define, style_lip, enable_zsnap
         cutCylinders(n_divx=cdivx, n_divy=cdivy, cylinder_diameter=cd, cylinder_height=ch, coutout_depth=c_depth, orientation=c_orientation, chamfer=c_chamfer);
     }
 }
-gridfinityBase(gridx, gridy, l_grid, div_base_x, div_base_y, style_hole, only_corners=only_corners);
+gridfinityBase(gridx, gridy, l_grid, div_base_x, div_base_y, hole_options, only_corners=only_corners);
 }
 
 

gridfinity-rebuilt-holes.scad

@@ -6,6 +6,22 @@
 include <standard.scad>
 use <generic-helpers.scad>
 
+/**
+ * @brief Make a magnet hole printable without suports.
+ * @see https://www.youtube.com/watch?v=W8FbHTcB05w
+ * @param screw_radius Radius of the screw hole.
+ * @param magnet_radius Radius of the magnet hole.
+ * @param magnet_depth Depth of the magnet hole.
+ * @details This is the negative designed to be cut out of the magnet hole.
+ *          Use it with `difference()`.
+ */
+module make_magnet_hole_printable(screw_radius, magnet_radius, magnet_depth) {
+    copy_mirror([0,1,0]) {
+        translate([-1.5*magnet_radius, screw_radius+0.1, magnet_depth - LAYER_HEIGHT])
+        cube([magnet_radius*3, magnet_radius*3, 10]);
+    }
+}
+
 /**
 * @brief Refined hole based on Printables @grizzie17's Gridfinity Refined
 * @details Magnet is pushed in from +X direction, and held in by friction.
@@ -38,25 +54,37 @@ module refined_hole() {
 }
 
 /**
- * @brief A single magnet/screw hole.  To be cut out of the base.
- * @pram style_hole Determines the type of hole that will be generated.
- * @param o Offset
- * @details
- *      - 0: No holes. Does nothing.
- *      - 1: Magnet holes only
- *      - 2: Magnet and screw holes - no printable slit.
- *      - 3: Magnet and screw holes - printable slit.
- *      - 4: Gridfinity Refined hole - no glue needed.
+ * @brief Create an options list used to configure bin holes.
+ * @param refined_hole Use gridfinity refined hole type.  Not compatible with "magnet_hole".
+ * @param magnet_hole Create a hole for a 6mm magnet.
+ * @param screw_hole Create a hole for a M3 screw.
+ * @param crush_ribs If the magnet hole should have crush ribs for a press fit.
+ * @param chamfer Add a chamfer to the magnet hole.
+ * @param supportless If the magnet hole should be printed in such a way that the screw hole does not require supports.
  */
-module block_base_hole(style_hole, o=0) {
-    assert(style_hole >= 0 && style_hole <= 4, "Unhandled Hole Style");
+function bundle_hole_options(refined_hole=true, magnet_hole=false, screw_hole=false, crush_ribs=false, chamfer=false, supportless=false) =
+    [refined_hole, magnet_hole, screw_hole, crush_ribs, chamfer, supportless];
 
-    refined_hole = style_hole == 4;
-    magnet_hole = style_hole == 1 || style_hole == 2 || style_hole == 3;
-    screw_hole = style_hole == 2 || style_hole == 3;
-    crush_ribs = false; // Not Implemented Yet
-    chamfer = false;  // Not Implemented Yet
-    supportless = style_hole==3;
+/**
+ * @brief A single magnet/screw hole.  To be cut out of the base.
+ * @details Supports multiple options that can be mixed and matched.
+ * @pram hole_options @see bundle_hole_options
+ * @param o Offset
+ */
+module block_base_hole(hole_options, o=0) {
+    // Destructure the options
+    refined_hole = hole_options[0];
+    magnet_hole = hole_options[1];
+    screw_hole = hole_options[2];
+    crush_ribs = hole_options[3];
+    chamfer = hole_options[4];
+    supportless = hole_options[5];
+
+    // Validate said options
+    if(refined_hole) {
+        assert(!magnet_hole, "magnet_hole is not compatible with refined_hole");
+    }
+    assert(crush_ribs == false && chamfer == false, "crush_ribs and chamfer are not supported yet");
 
     screw_radius = SCREW_HOLE_RADIUS - (o/2);
     magnet_radius = MAGNET_HOLE_RADIUS - (o/2);
@@ -69,23 +97,23 @@ module block_base_hole(style_hole, o=0) {
         if(refined_hole) {
             refined_hole();
         }
+
         if(magnet_hole) {
             difference() {
-                if(crush_ribs){
+                if(crush_ribs) {
                     // Not Implemented Yet
                 } else {
                     cylinder(h = magnet_depth, r=magnet_radius);
                 }
 
                 if(supportless) {
-                    copy_mirror([0,1,0])
-                    translate([-1.5*magnet_radius, screw_radius+0.1,magnet_depth])
-                    cube([magnet_radius*3,magnet_radius*3, 10]);
-                }
-                if(chamfer) {
-                    // Not Implemented Yet
+                    make_magnet_hole_printable(screw_radius, magnet_radius, magnet_depth);
                 }
             }
+
+            if(chamfer) {
+                 // Not Implemented Yet
+            }
         }
 
         if(screw_hole) {
@@ -96,4 +124,11 @@ module block_base_hole(style_hole, o=0) {
 
 //$fa = 8;
 //$fs = 0.25;
-//block_base_hole(4);
+//block_base_hole(bundle_hole_options(
+//    refined_hole=true,
+//    magnet_hole=false,
+//    screw_hole=false,
+//    supportless=false,
+//    crush_ribs=false,
+//    chamfer=false
+//));

gridfinity-rebuilt-utility.scad

@@ -210,7 +210,7 @@ module profile_base() {
     ]);
 }
 
-module gridfinityBase(gx, gy, l, dx, dy, style_hole, off=0, final_cut=true, only_corners=false) {
+module gridfinityBase(gx, gy, l, dx, dy, hole_options, off=0, final_cut=true, only_corners=false) {
     dbnxt = [for (i=[1:5]) if (abs(gx*i)%1 < 0.001 || abs(gx*i)%1 > 0.999) i];
     dbnyt = [for (i=[1:5]) if (abs(gy*i)%1 < 0.001 || abs(gy*i)%1 > 0.999) i];
     dbnx = 1/(dx==0 ? len(dbnxt) > 0 ? dbnxt[0] : 1 : round(dx));
@@ -239,14 +239,14 @@ module gridfinityBase(gx, gy, l, dx, dy, style_hole, off=0, final_cut=true, only
                             (gy/2) * l_grid - d_hole_from_side,
                             0
                         ])
-                        block_base_hole(style_hole, off);
+                        block_base_hole(hole_options, off);
                     }
                 }
             }
         }
         else {
             pattern_linear(gx/dbnx, gy/dbny, dbnx*l, dbny*l)
-            block_base(gx, gy, l, dbnx, dbny, style_hole, off);
+            block_base(gx, gy, l, dbnx, dbny, hole_options, off);
         }
     }
 }
@@ -258,17 +258,17 @@ module gridfinityBase(gx, gy, l, dx, dy, style_hole, off=0, final_cut=true, only
  * @param l
  * @param dbnx
  * @param dbny
- * @param style_hole @see block_base_hole.style_hole
+ * @param hole_options @see block_base_hole.hole_options
  * @param off
  */
-module block_base(gx, gy, l, dbnx, dbny, style_hole, off) {
+module block_base(gx, gy, l, dbnx, dbny, hole_options, off) {
     render(convexity = 2)
     difference() {
         block_base_solid(dbnx, dbny, l, off);
 
         pattern_circular(abs(l-d_hole_from_side/2)<0.001?1:4)
         translate([l/2-d_hole_from_side, l/2-d_hole_from_side, 0])
-        block_base_hole(style_hole, off);
+        block_base_hole(hole_options, off);
     }
 }