Merge branch 'master' of https://github.com/SolidCode/MCAD
This commit is contained in:
Marius Kintel
commit
2ad18d2a48
157
lego_compatibility.scad
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157
lego_compatibility.scad
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// This file is placed under the public domain
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// from: http://www.thingiverse.com/thing:9512
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// EXAMPLES:
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// standard LEGO 2x1 tile has no pin
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// block(1,2,1/3,reinforcement=false,flat_top=true);
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// standard LEGO 2x1 flat has pin
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// block(1,2,1/3,reinforcement=true);
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// standard LEGO 2x1 brick has pin
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// block(1,2,1,reinforcement=true);
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// standard LEGO 2x1 brick without pin
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// block(1,2,1,reinforcement=false);
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// standard LEGO 2x1x5 brick has no pin and has hollow knobs
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// block(1,2,5,reinforcement=false,hollow_knob=true);
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knob_diameter=4.8; //knobs on top of blocks
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knob_height=2;
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knob_spacing=8.0;
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wall_thickness=1.45;
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roof_thickness=1.05;
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block_height=9.5;
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pin_diameter=3; //pin for bottom blocks with width or length of 1
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post_diameter=6.5;
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reinforcing_width=1.5;
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axle_spline_width=2.0;
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axle_diameter=5;
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cylinder_precision=0.5;
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/* EXAMPLES:
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block(2,1,1/3,axle_hole=false,circular_hole=true,reinforcement=true,hollow_knob=true,flat_top=true);
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translate([50,-10,0])
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block(1,2,1/3,axle_hole=false,circular_hole=true,reinforcement=false,hollow_knob=true,flat_top=true);
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translate([10,0,0])
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block(2,2,1/3,axle_hole=false,circular_hole=true,reinforcement=true,hollow_knob=true,flat_top=true);
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translate([30,0,0])
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block(2,2,1/3,axle_hole=false,circular_hole=true,reinforcement=true,hollow_knob=false,flat_top=false);
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translate([50,0,0])
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block(2,2,1/3,axle_hole=false,circular_hole=true,reinforcement=true,hollow_knob=true,flat_top=false);
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translate([0,20,0])
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block(3,2,2/3,axle_hole=false,circular_hole=true,reinforcement=true,hollow_knob=true,flat_top=false);
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translate([20,20,0])
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block(3,2,1,axle_hole=true,circular_hole=false,reinforcement=true,hollow_knob=false,flat_top=false);
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translate([40,20,0])
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block(3,2,1/3,axle_hole=false,circular_hole=false,reinforcement=false,hollow_knob=false,flat_top=false);
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translate([0,-10,0])
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block(1,5,1/3,axle_hole=true,circular_hole=false,reinforcement=true,hollow_knob=false,flat_top=false);
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translate([0,-20,0])
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block(1,5,1/3,axle_hole=true,circular_hole=false,reinforcement=true,hollow_knob=true,flat_top=false);
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translate([0,-30,0])
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block(1,5,1/3,axle_hole=true,circular_hole=false,reinforcement=true,hollow_knob=true,flat_top=true);
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//*/
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module block(width,length,height,axle_hole=false,reinforcement=false, hollow_knob=false, flat_top=false, circular_hole=false, solid_bottom=true, center=false) {
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overall_length=(length-1)*knob_spacing+knob_diameter+wall_thickness*2;
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overall_width=(width-1)*knob_spacing+knob_diameter+wall_thickness*2;
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center= center==true ? 1 : 0;
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translate(center*[-overall_length/2, -overall_width/2, 0])
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union() {
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difference() {
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union() {
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// body:
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cube([overall_length,overall_width,height*block_height]);
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// knobs:
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if (flat_top != true)
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translate([knob_diameter/2+wall_thickness,knob_diameter/2+wall_thickness,0])
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for (ycount=[0:width-1])
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for (xcount=[0:length-1]) {
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translate([xcount*knob_spacing,ycount*knob_spacing,0])
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difference() {
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cylinder(r=knob_diameter/2,h=block_height*height+knob_height,$fs=cylinder_precision);
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if (hollow_knob==true)
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translate([0,0,-roof_thickness])
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cylinder(r=pin_diameter/2,h=block_height*height+knob_height+2*roof_thickness,$fs=cylinder_precision);
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}
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}
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}
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// hollow bottom:
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if (solid_bottom == false)
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translate([wall_thickness,wall_thickness,-roof_thickness]) cube([overall_length-wall_thickness*2,overall_width-wall_thickness*2,block_height*height]);
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// flat_top -> groove around bottom
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if (flat_top == true) {
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translate([-wall_thickness/2,-wall_thickness*2/3,-wall_thickness/2])
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cube([overall_length+wall_thickness,wall_thickness,wall_thickness]);
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translate([-wall_thickness/2,overall_width-wall_thickness/3,-wall_thickness/2])
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cube([overall_length+wall_thickness,wall_thickness,wall_thickness]);
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translate([-wall_thickness*2/3,-wall_thickness/2,-wall_thickness/2])
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cube([wall_thickness,overall_width+wall_thickness,wall_thickness]);
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translate([overall_length-wall_thickness/3,0,-wall_thickness/2])
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cube([wall_thickness,overall_width+wall_thickness,wall_thickness]);
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}
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if (axle_hole==true)
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if (width>1 && length>1) for (ycount=[1:width-1])
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for (xcount=[1:length-1])
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translate([xcount*knob_spacing,ycount*knob_spacing,roof_thickness]) axle(height);
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if (circular_hole==true)
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if (width>1 && length>1) for (ycount=[1:width-1])
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for (xcount=[1:length-1])
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translate([xcount*knob_spacing,ycount*knob_spacing,roof_thickness])
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cylinder(r=knob_diameter/2, h=height*block_height+roof_thickness/4,$fs=cylinder_precision);
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}
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if (reinforcement==true && width>1 && length>1)
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difference() {
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for (ycount=[1:width-1])
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for (xcount=[1:length-1])
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translate([xcount*knob_spacing,ycount*knob_spacing,0]) reinforcement(height);
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for (ycount=[1:width-1])
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for (xcount=[1:length-1])
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translate([xcount*knob_spacing,ycount*knob_spacing,-roof_thickness/2]) cylinder(r=knob_diameter/2, h=height*block_height+roof_thickness, $fs=cylinder_precision);
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}
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// posts:
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if (solid_bottom == false)
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if (width>1 && length>1) for (ycount=[1:width-1])
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for (xcount=[1:length-1])
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translate([xcount*knob_spacing,ycount*knob_spacing,0]) post(height);
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if (reinforcement == true && width==1 && length!=1)
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for (xcount=[1:length-1])
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translate([xcount*knob_spacing,overall_width/2,0]) cylinder(r=pin_diameter/2,h=block_height*height,$fs=cylinder_precision);
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if (reinforcement == true && length==1 && width!=1)
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for (ycount=[1:width-1])
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translate([overall_length/2,ycount*knob_spacing,0]) cylinder(r=pin_diameter/2,h=block_height*height,$fs=cylinder_precision);
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}
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}
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module post(height) {
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difference() {
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cylinder(r=post_diameter/2, h=height*block_height-roof_thickness/2,$fs=cylinder_precision);
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translate([0,0,-roof_thickness/2])
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cylinder(r=knob_diameter/2, h=height*block_height+roof_thickness/4,$fs=cylinder_precision);
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}
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}
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module reinforcement(height) {
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union() {
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translate([0,0,height*block_height/2]) union() {
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cube([reinforcing_width,knob_spacing+knob_diameter+wall_thickness/2,height*block_height],center=true);
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rotate(v=[0,0,1],a=90) cube([reinforcing_width,knob_spacing+knob_diameter+wall_thickness/2,height*block_height], center=true);
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}
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}
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}
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module axle(height) {
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translate([0,0,height*block_height/2]) union() {
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cube([axle_diameter,axle_spline_width,height*block_height],center=true);
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cube([axle_spline_width,axle_diameter,height*block_height],center=true);
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}
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}
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29
multiply.scad
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29
multiply.scad
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/*
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* Multiplication along certain curves
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*
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* Copyright by Elmo Mäntynen, 2012.
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* Licenced under LGPL2 or later
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*/
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include <units.scad>
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use <utilities.scad>
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// TODO check that the axis parameter works as intended
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// Duplicate everything $no of times around an $axis, for $angle/360 rounds
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module spin(no, angle=360, axis=Z){
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for (i = [1:no]){
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rotate(normalized_axis(axis)*angle*no/i) union(){
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for (i = [0 : $children-1]) child(i);
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}
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}
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}
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//Doesn't work currently
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module duplicate(axis=Z) spin(no=2, axis=axis) child(0);
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module linear_multiply(no, separation, axis=Z){
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for (i = [0:no-1]){
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translate(i*separation*axis) child(0);
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}
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}
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@ -76,6 +76,13 @@ module dodecagon(radius)
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reg_polygon(12,radius);
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}
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module ring(inside_diameter, thickness){
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difference(){
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circle(r=(inside_diameter+thickness*2)/2);
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circle(r=inside_diameter/2);
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}
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}
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module ellipse(width, height) {
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scale([1, height/width, 1]) circle(r=width/2);
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}
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@ -93,17 +100,17 @@ module egg_outline(width, length){
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//3D regular shapes
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module cone(height, radius, center = false)
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module cone(height, radius, center = false)
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{
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cylinder(height, radius, 0, center);
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}
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module oval_prism(height, rx, ry, center = false)
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module oval_prism(height, rx, ry, center = false)
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{
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scale([1, rx/ry, 1]) cylinder(h=height, r=ry, center=center);
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}
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module oval_tube(height, rx, ry, wall, center = false)
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module oval_tube(height, rx, ry, wall, center = false)
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{
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difference() {
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scale([1, ry/rx, 1]) cylinder(h=height, r=rx, center=center);
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@ -111,7 +118,7 @@ module oval_tube(height, rx, ry, wall, center = false)
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}
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}
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module cylinder_tube(height, radius, wall, center = false)
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module cylinder_tube(height, radius, wall, center = false)
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{
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tubify(radius,wall)
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cylinder(h=height, r=radius, center=center);
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@ -144,10 +151,10 @@ module pentagon_prism(height,radius)
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module pentagon_tube(height,radius,wall)
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{
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tubify(radius,wall) pentagon_prism(height,radius);
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tubify(radius,wall) pentagon_prism(height,radius);
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}
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module hexagon_prism(height,radius)
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module hexagon_prism(height,radius)
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{
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linear_extrude(height=height) hexagon(radius);
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}
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@ -157,7 +164,7 @@ module hexagon_tube(height,radius,wall)
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tubify(radius,wall) hexagon_prism(height,radius);
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}
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module heptagon_prism(height,radius)
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module heptagon_prism(height,radius)
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{
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linear_extrude(height=height) heptagon(radius);
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}
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@ -167,9 +174,9 @@ module heptagon_tube(height,radius,wall)
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tubify(radius,wall) heptagon_prism(height,radius);
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}
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module octagon_prism(height,radius)
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module octagon_prism(height,radius)
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{
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linear_extrude(height=height) octagon(radius);
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linear_extrude(height=height) octagon(radius);
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}
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module octagon_tube(height,radius,wall)
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@ -179,28 +186,28 @@ module octagon_tube(height,radius,wall)
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module nonagon_prism(height,radius)
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{
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linear_extrude(height=height) nonagon(radius);
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linear_extrude(height=height) nonagon(radius);
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}
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module decagon_prism(height,radius)
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{
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linear_extrude(height=height) decagon(radius);
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linear_extrude(height=height) decagon(radius);
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}
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module hendecagon_prism(height,radius)
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{
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linear_extrude(height=height) hendecagon(radius);
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linear_extrude(height=height) hendecagon(radius);
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}
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module dodecagon_prism(height,radius)
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{
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linear_extrude(height=height) dodecagon(radius);
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linear_extrude(height=height) dodecagon(radius);
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}
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module torus(outerRadius, innerRadius)
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{
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r=(outerRadius-innerRadius)/2;
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rotate_extrude() translate([innerRadius+r,0,0]) circle(r);
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rotate_extrude() translate([innerRadius+r,0,0]) circle(r);
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}
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module torus2(r1, r2)
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@ -10,8 +10,13 @@ mm = 1;
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cm = 10 * mm;
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dm = 100 * mm;
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m = 1000 * mm;
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inch = 25.4 * mm;
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X = [1, 0, 0];
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Y = [0, 1, 0];
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Z = [0, 0, 1];
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M3 = 3*mm;
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M4 = 4*mm;
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M5 = 5*mm;
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@ -15,7 +15,9 @@ function length2(a) = sqrt( a[0]*a[0] + a[1]*a[1] );
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function normalized(a) = a / (max(distance([0,0,0], a), 0.00001));
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function normalized_axis(a) = a == "x" ? [1, 0, 0]:
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a == "y" ? [0, 1, 0]:
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a == "z" ? [0, 0, 1]: normalized(a);
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function angleOfNormalizedVector(n) = [0, -atan2(n[2], length2([n[0], n[1]])), atan2(n[1], n[0]) ];
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@ -23,16 +25,6 @@ function angle(v) = angleOfNormalizedVector(normalized(v));
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function angleBetweenTwoPoints(a, b) = angle(normalized(b-a));
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// TODO check that the axis parameter works as intended
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// Duplicate everything $no of times around an $axis, for $angle/360 rounds
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module spin(no, angle=360, axis=[0, 0, 1]){
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for (i = [0:no]){
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rotate(normalized(axis)*angle*i/no) union(){
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for (i = [0 : $children-1]) child(i);
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}
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}
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}
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CENTER = 0;
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LEFT = -0.5;
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