116 lines
2.6 KiB
OpenSCAD
116 lines
2.6 KiB
OpenSCAD
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////////////////
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/// Settings ///
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////////////////
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// The thickness of the walls
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wall_thickness = 4;
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// The dimensions of the box on the inside
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box_inside = [ 130, 140, 110 ];
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// Screw dimensions
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screw_diameter = 3;
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screw_length = 6.3;
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// The size of a breadboard
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bb_size = [ 46, 35 ];
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// -------------------------------------------
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corner_piece_size = screw_diameter +
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(wall_thickness * 2);
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box_outside = [
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box_inside[0] + (wall_thickness * 2),
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box_inside[1] + (wall_thickness * 2),
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box_inside[2] + (wall_thickness - 0.1)
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];
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// -------------------------------------------
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// Offset of the Arduino - i.e. where it should be mounted in the box
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offset_arduino = [53.4+8, 40, wall_thickness];
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// Breadboard mounting specs
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breadboard = [ bb_size[0], bb_size[1]+24+13, 49 ];
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offset_breadboard = [70, 20, wall_thickness - 0.1];
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bb_mount_height = 5;
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// Battery location
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battery = [ 60, 19, 70 ];
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offset_battery = [
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wall_thickness + corner_piece_size + 10,
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box_inside[1] - battery[1],
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0
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];
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// Power regulator mount settings
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power_reg = [ 54, 31, 12 ];
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power_reg_underneath = 9;
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offset_power_reg = [
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offset_arduino[0] + 10,
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85,
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wall_thickness
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];
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// Location of the lid - should not be touching the box - default is to the side of the box itself for easy 3d printing
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offset_lid = [ 0, 0, 0 ];
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// Based height of the lid
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lid_base_height = wall_thickness * 1.5;
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// Height of the extra lip to make the lid fit snugly
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lid_lip_height = 2;
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//offset_lid = [ 0, 0, box_outside[2] + 25 ];
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// -------------------------------------------
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// Lid
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// -------------------------------------------
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module screw_hole_indent() {
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indent_depth = lid_lip_height + wall_thickness / 2;
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indent_size = screw_diameter + 1.25;
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translate([-indent_size/2, -indent_size/2, 0]) cube([
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indent_size ,
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indent_size ,
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indent_depth
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]);
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translate([0, 0, indent_depth - 0.1]) cylinder(h = screw_length, d = screw_diameter, $fn = 25);
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}
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translate(offset_lid) {
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difference() {
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union() {
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cube([
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box_outside[0],
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box_outside[1],
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lid_base_height
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]);
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translate([wall_thickness, wall_thickness, lid_base_height]) cube([
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box_outside[0] - (wall_thickness * 2),
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box_outside[1] - (wall_thickness * 2),
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lid_lip_height
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]);
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}
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translate([0, 0, -0.1]) union() {
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inset = corner_piece_size / 2 + wall_thickness;
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translate([
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inset,
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inset,
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]) screw_hole_indent();
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translate([
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box_outside[0] - inset,
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inset,
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]) screw_hole_indent();
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translate([
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box_outside[0] - inset,
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box_outside[1] - inset
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]) screw_hole_indent();
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translate([
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inset,
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box_outside[1] - inset
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]) screw_hole_indent();
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}
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}
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}
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