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cnc_shoe_mount.scad

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+// spindle params
+inner_dia = 80;
+dia_offset = 1;
+
+// threaded insert params
+insert_height = 7;
+insert_dia = 5;
+insert_bottom_dia = 4.2;
+
+// magnet params
+magnet_dia = 3;
+magnet_height = 1;
+magnet_number = 10;
+
+// shape params
+extra_offset = 4;
+width = magnet_dia+extra_offset;
+wedge_size = insert_dia + 3;
+thickness = insert_dia + 3;
+wedge_width = insert_height;
+spacing_distance = 5;
+
+$fn=100;
+
+module ring(){
+    difference(){
+        linear_extrude(height=thickness, center=false, convexity=10, twist=0) {
+            difference(){
+                union(){
+                    radius = (inner_dia+dia_offset)/2+width;
+                    circle(r=radius);
+
+                    squ_width = wedge_size+width;
+                    squ_height = 2*wedge_width + spacing_distance + 1;
+                    translate([-wedge_size/2-radius,0,0])
+                    square(size=[squ_width, squ_height], center=true);
+                }
+
+                union(){
+                    radius = (inner_dia+dia_offset)/2;
+                    circle(r=radius);
+
+                    squ_width = wedge_size+width+20;
+                    squ_height = spacing_distance + 1;
+                    translate([-wedge_size/2-radius,0,0])
+                    square(size=[squ_width, squ_height], center=true);
+                }
+            }
+        }
+
+        for(i = [0:magnet_number]){
+            rotate([0,0,i*36])
+            translate([0, (inner_dia+dia_offset)/2+width/2-0.5, -0.01])
+            cube(size=[15, 5, 3], center=true);
+        }
+
+        // threaded insert hole
+        translate([-(inner_dia+dia_offset)/2-width-wedge_size/1.5, (spacing_distance + 1)/2-0.005, thickness/2])
+        threaded_insert();
+
+        // bolt hole
+        translate([-(inner_dia+dia_offset)/2-width-wedge_size/1.5, -(spacing_distance + 1)/2+0.005, thickness/2])
+        rotate([90,0,0])
+        cylinder(h=insert_height+0.01, r=3.5/2, center=false);
+    }
+}
+
+module threaded_insert(){
+    rotate([-90,0,0])
+    cylinder(h=insert_height+0.01, r1=insert_bottom_dia/2, r2=insert_dia/2, center=false);
+}
+
+// vacuum params
+vacuum_pipe_dia_start = 32;
+vacuum_pipe_dia_end = 30;
+pipe_thickness = 2;
+pipe_length = 50;
+rotation_angle = 60;
+
+pipe_height = 50;
+
+module pipe(){
+    // hollow pipe for vacuum cleaner
+    rotate([0,rotation_angle,0])
+    difference(){
+        cylinder(h=pipe_length, r1=vacuum_pipe_dia_end/2+pipe_thickness, r2=vacuum_pipe_dia_start/2+pipe_thickness, center=false);
+        translate([0,0,-0.005])
+        cylinder(h=pipe_length+0.01, r1=vacuum_pipe_dia_end/2, r2=vacuum_pipe_dia_start/2, center=false);
+    }
+}
+
+module vacuum_vent() {
+    rotate([180,0,0])
+    difference(){
+        linear_extrude(height=pipe_height, center=false, convexity=10, twist=0) {
+            difference(){
+                union(){
+                    radius = (inner_dia+dia_offset)/2+width;
+                    circle(r=radius);
+                }
+
+                union(){
+                    radius = (inner_dia+dia_offset)/2+2;
+                    circle(r=radius);
+                }
+            }
+        }
+
+        for(i = [0:magnet_number]){
+            rotate([0,0,i*36])
+            translate([0, (inner_dia+dia_offset)/2+width/2, -0.01])
+            cylinder(r=(magnet_dia+0.5)/2, h=magnet_height+0.5, center=false);
+        }
+
+        // Ring for metal
+        translate([0,0,-8])
+        cylinder(r=(inner_dia+dia_offset)/2+6, h=10, center=false);
+    }
+}
+
+
+ring();
+// pipe_x = cos(rotation_angle)*(vacuum_pipe_dia_end+pipe_thickness)/2;
+// difference(){
+//     vacuum_vent();
+//     translate([-pipe_x+(inner_dia+dia_offset)/2+2,0,-30])
+//     hull(){pipe();}
+
+//     // threaded insert holes
+//     for(i = [0:magnet_number]){
+//         rotate([0,0,i*36])
+//         translate([0, (inner_dia+dia_offset)/2+width+0.9-7, -pipe_height+5])
+//         rotate([0,0,0])
+//         threaded_insert();
+//     }
+// }
+// difference(){
+//     translate([-pipe_x+(inner_dia+dia_offset)/2+2,0,-30])
+//     pipe();
+//     translate([0,0,-pipe_height/2])
+//     cylinder(r=(inner_dia+dia_offset)/2+2, h=pipe_height, center=true);
+// }