more designs

CNC_T_nut.scad

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+printer_offset = 0.5;
+top_slot_width = 8;
+top_slot_height = 2;
+middle_slot_width = 14;
+middle_slot_height = 7;
+
+length = 20;
+
+module T_nut(){
+    translate([-middle_slot_width/2, length/2, middle_slot_height-printer_offset])
+    rotate([90, 0, 0])
+    linear_extrude(length)
+    offset(delta = -printer_offset/3)
+    polygon(
+        [
+            [0,0],
+            [0, -middle_slot_height],
+            [middle_slot_width, -middle_slot_height],
+            [middle_slot_width, 0],
+            [middle_slot_width - (middle_slot_width - top_slot_width)/2, 0],
+            [middle_slot_width - (middle_slot_width - top_slot_width)/2, top_slot_height],
+            [middle_slot_width - (middle_slot_width - top_slot_width)/2 - top_slot_width, top_slot_height],
+            [middle_slot_width - (middle_slot_width - top_slot_width)/2 - top_slot_width, 0]
+        ]
+    );
+}
+
+module cylinder_outer(height,radius,fn){
+   fudge = 1/cos(180/fn);
+   cylinder(h=height,r=radius*fudge, center=true, $fn=fn);}
+
+module hex(size, height){
+    cylinder_outer(height, size/2, 6);
+}
+
+difference(){
+    T_nut();
+    cylinder(r=3+printer_offset/2, h=100, center=true, $fn=30);
+
+    translate([0,0,-0.3])
+    rotate([0,0,30])
+    hex(10, 10);
+}
+

cnc_controller_mount.scad

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+small_dist = 0.1;
+
+depth = 20;
+width = 340;
+height = 152;
+thickness = 3;
+tab_width = 20;
+tab_hole_r = 2.5;
+
+mount(depth, width, height, thickness);
+
+module mount(depth, width, height, thickness){
+    union(){
+        tab(depth, tab_width, thickness, tab_hole_r);
+        translate([(width+tab_width)/2, 0, -height])
+        U(width, height, depth, thickness);
+        translate([width+tab_width, 0, 0])
+        tab(depth, tab_width, thickness, tab_hole_r);
+    }
+}
+
+module tab(depth, width, thickness, hole_r) {
+    difference(){
+        cube([width, depth, thickness], center=true);
+        cylinder(r=hole_r, h=thickness+small_dist, center=true);
+    }
+}
+
+module U(width, height, depth, thickness){
+    union(){
+        cube([width+2*thickness, depth, thickness], center=true);
+        translate([-(width+thickness)/2, 0, height/2])
+        cube([thickness, depth, height], center=true);
+        translate([(width+thickness)/2, 0, height/2])
+        cube([thickness, depth, height], center=true);
+    }
+}

cnc_feet.scad

@@ -0,0 +1,19 @@
+
+
+//****************************************************************
+//*  Name    : Jack Feet                                         *
+//*  Author  : Robert Joseph Korn                                *
+//*  Notice  : Copyright (c) 2015 Open Valley Consulting Corp    *
+//*          : All Rights Reserved                               *
+//*  Date    : 3/12/15                                           *
+//*  Version : 1.0                                               *
+//*  Notes   : Simple feet to protect CNC table                  *
+//*          :                                                   *
+//****************************************************************
+
+bolt_dia = 6;
+
+difference(){
+    cylinder (r1=10,r2=(bolt_dia+2)/2,h=10, $fn=8);
+    translate(v=[0,0,4]) cylinder(r=bolt_dia/2,h=8, $fn=50);
+}

cutlery_divider.scad

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+wedge_thickness = 2;
+slots_x = 4;
+slots_y = 4;
+
+x_outside = 56;
+y_outside = 68;
+
+outside_offset = 2;
+outside_offset_seat = 1;
+seat_width = 1;
+
+union(){
+    linear_extrude(2){
+        difference(){
+            slot_width = (x_outside - 2 * outside_offset - (slots_x-1)*wedge_thickness) / slots_x;
+            slot_height = (y_outside - 2 * outside_offset - (slots_y-1)*wedge_thickness) / slots_y;
+            square(size=[x_outside, y_outside], center=false);
+            translate([outside_offset, outside_offset, 0])
+            for (i =[0:slots_y-1]){
+                for (j = [0:slots_x-1]){
+                    translate([j*(slot_width+wedge_thickness), i*(slot_height+wedge_thickness), 0])
+                    square(size=[slot_width, slot_height], center=false);
+                }
+            }
+        }
+    }
+    linear_extrude(5){
+        translate([outside_offset_seat, outside_offset_seat])
+        difference(){
+            square(size=[x_outside-2*outside_offset_seat, y_outside-2*outside_offset_seat], center=false);
+            translate([outside_offset_seat, outside_offset_seat, 0])
+            square(size=[x_outside-2*outside_offset_seat-2*seat_width, y_outside-2*outside_offset_seat-2*seat_width], center=false);
+        }
+    }
+}

mesh_knit_bag.scad

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+
+linear_extrude(1)
+pattern(1000, 1, 4){
+    // square(size=[50, 50], center=true);
+    scale_uniform(3){
+        import("/home/bart/Downloads/laura_bag_1.svg");
+    }
+}
+
+module pattern(mesh_size, line_width, spacing){
+    union(){
+        intersection(){
+            mesh(mesh_size, line_width, spacing);
+            children(0);
+        }
+        // calculate border
+        difference(){
+            children(0);
+            offset(r=-line_width){
+                children(0);
+            }
+        }
+    }
+}
+
+module mesh(size, line_width, spacing){
+    // Note that mesh always has to be even.
+    // This translates into the first lines being perfectly centered.
+
+    // Start by calculating amount of spacings
+    n_size = (size-line_width)/(line_width+spacing);
+
+    step = line_width + spacing;
+    for(i=[0:n_size/2]){
+        // vertical lines
+        translate([i*step, 0, 0])
+        square(size=[line_width, size], center=true);
+        translate([-i*step, 0, 0])
+        square(size=[line_width, size], center=true);
+
+        // horizontal lines
+        translate([0, i*step, 0])
+        square(size=[size, line_width], center=true);
+        translate([0, -i*step, 0])
+        square(size=[size, line_width], center=true);
+    }
+}
+
+module scale_uniform(my_scale){
+    scale([my_scale, my_scale]){
+        children(0);
+    }
+}

ratchet_wrench_extension_holder.scad

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+angle = 120;
+thickness = 4;
+diam_offset = 1;
+$fn=100;
+
+module arm(inner_radius, angle, thickness){
+    rotate_extrude(angle=angle){
+        translate([inner_radius+thickness/2,0,0]) square(size=[thickness, thickness], center=true);
+    }
+}
+
+module grasp(inner_radius, angle, thickness){
+    arm(inner_radius, angle, thickness);
+    mirror([0, 1, 0]) {
+        arm(inner_radius, angle, thickness);
+    }
+}
+
+grasp(8+diam_offset/2, angle, thickness);
+translate([1.5, 25,0]) grasp(6.12+diam_offset/2, angle, thickness);
+translate([3, 46,0]) grasp(4.25+diam_offset/2, angle, thickness);
+
+translate([16,23,15-thickness/2])
+difference(){
+    cube(size=[thickness, 60, 30], center=true);
+
+    translate([0,10,0])
+    rotate([0,90,0])
+    cylinder(r=2, h=10, center=true);
+    translate([0,-10,0])
+    rotate([0,90,0])
+    cylinder(r=2, h=10, center=true);
+}
+
+translate([12, 23, 0])
+cube(size=[thickness, 60, 4], center=true);

rod.scad

@@ -0,0 +1,9 @@
+diam = 12.5;
+difference()
+{
+    translate([0,0,4.5])
+    rotate([90,0,0])
+    cylinder(r=diam/2, h=200, center=true, $fn=100);
+    translate([0,0,-250])
+    cube(size=[500, 500, 500], center=true);
+}

rod_cap.scad

@@ -0,0 +1,11 @@
+thickness = 2;
+inside = 12.5;
+$fn=100;
+
+union(){
+    difference(){
+        cylinder(r=inside/2+thickness, h=10, center=true);
+        translate([0,0,thickness])
+        cylinder(r=inside/2, h=10, center=true);
+    }
+}

temp.scad

@@ -0,0 +1,6 @@
+linear_extrude(30){
+    difference(){
+        circle(r=13.5);
+        circle(r=10);
+    }
+}