201 lines
5.0 KiB
OpenSCAD
201 lines
5.0 KiB
OpenSCAD
/**
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* Servo outline library
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*
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* Authors:
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* - Eero 'rambo' af Heurlin 2010-
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*
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* License: LGPL 2.1
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*/
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use <triangles.scad>
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/**
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* TowerPro SG90 servo
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*
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* @param vector position The position vector
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* @param vector rotation The rotation vector
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* @param boolean screws If defined then "screws" will be added and when the module is differenced() from something if will have holes for the screws
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* @param boolean cables If defined then "cables" output will be added and when the module is differenced() from something if will have holes for the cables output
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* @param number axle_length If defined this will draw a red indicator for the main axle
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*/
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module towerprosg90(position=undef, rotation=undef, screws = 0, axle_length = 0, cables=0)
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{
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translate(position) rotate(rotation) {
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difference(){
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union()
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{
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translate([-5.9,-11.8/2,0]) cube([22.5,11.8,22.7]);
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translate([0,0,22.7-0.1]){
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cylinder(d=11.8,h=4+0.1);
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hull(){
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translate([8.8-5/2,0,0]) cylinder(d=5,h=4+0.1);
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cylinder(d=5,h=4+0.1);
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}
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translate([0,0,4]) cylinder(d=4.6,h=3.2);
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}
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translate([-4.7-5.9,-11.8/2,15.9]) cube([22.5+4.7*2, 11.8, 2.5]);
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}
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//screw holes
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translate([-2.3-5.9,0,15.9+1.25]) cylinder(d=2,h=5, center=true);
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translate([-2.3-5.9-2,0,15.9+1.25]) cube([3,1.3,5], center=true);
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translate([2.3+22.5-5.9,0,15.9+1.25]) cylinder(d=2,h=5, center=true);
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translate([2.3+22.5-5.9+2,0,15.9+1.25]) cube([3,1.3,5], center=true);
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}
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if (axle_length > 0) {
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color("red", 0.3) translate([0,0,29.9/2]) cylinder(r=1, h=29.9+axle_length, center=true);
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}
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if (cables > 0) color("red", 0.3) translate([-12.4,-1.8,4.5]) cube([10,3.6,1.2]);
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if(screws > 0) color("red", 0.3) {
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translate([-2.3-5.9,0,15.9+1.25]) cylinder(d=2,h=10, center=true);
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translate([2.3+22.5-5.9,0,15.9+1.25]) cylinder(d=2,h=10, center=true);
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}
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}
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}
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/**
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* Align DS420 digital servo
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*
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* @param vector position The position vector
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* @param vector rotation The rotation vector
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* @param boolean screws If defined then "screws" will be added and when the module is differenced() from something if will have holes for the screws
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* @param number axle_lenght If defined this will draw "backgound" indicator for the main axle
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*/
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module alignds420(position, rotation, screws = 0, axle_lenght = 0)
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{
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translate(position)
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{
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rotate(rotation)
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{
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union()
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{
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// Main axle
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translate([0,0,17])
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{
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cylinder(r=6, h=8, $fn=30);
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cylinder(r=2.5, h=10.5, $fn=20);
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}
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// Box and ears
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translate([-6,-6,0])
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{
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cube([12, 22.8,19.5], false);
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translate([0,-5, 17])
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{
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cube([12, 7, 2.5]);
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}
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translate([0, 20.8, 17])
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{
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cube([12, 7, 2.5]);
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}
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}
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if (screws > 0)
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{
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translate([0,(-10.2 + 1.8),11.5])
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{
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# cylinder(r=1.8/2, h=6, $fn=6);
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}
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translate([0,(21.0 - 1.8),11.5])
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{
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# cylinder(r=1.8/2, h=6, $fn=6);
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}
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}
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// The large slope
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translate([-6,0,19])
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{
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rotate([90,0,90])
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{
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triangle(4, 18, 12);
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}
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}
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/**
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* This seems to get too complex fast
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// Small additional axes
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translate([0,6,17])
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{
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cylinder(r=2.5, h=6, $fn=10);
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cylinder(r=1.25, h=8, $fn=10);
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}
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// Small slope
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difference()
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{
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translate([-6,-6,19.0])
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{
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cube([12,6.5,4]);
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}
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translate([7,-7,24.0])
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{
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rotate([-90,0,90])
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{
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triangle(3, 8, 14);
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}
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}
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}
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*/
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// So we render a cube instead of the small slope on a cube
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translate([-6,-6,19.0])
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{
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cube([12,6.5,4]);
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}
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}
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if (axle_lenght > 0)
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{
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% cylinder(r=0.9, h=axle_lenght, center=true, $fn=8);
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}
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}
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}
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}
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/**
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* Futaba S3003 servo
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*
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* @param vector position The position vector
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* @param vector rotation The rotation vector
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*/
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module futabas3003(position, rotation)
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{
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translate(position)
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{
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rotate(rotation)
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{
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union()
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{
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// Box and ears
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translate([0,0,0])
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{
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cube([20.1, 39.9, 36.1], false);
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translate([1.1, -7.6, 26.6])
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{
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difference() {
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cube([18, 7.6, 2.5]);
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translate([4, 3.5, 0]) cylinder(100, 2);
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translate([14, 3.5, 0]) cylinder(100, 2);
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}
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}
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translate([1.1, 39.9, 26.6])
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{
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difference() {
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cube([18, 7.6, 2.5]);
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translate([4, 4.5, 0]) cylinder(100, 2);
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translate([14, 4.5, 0]) cylinder(100, 2);
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}
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}
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}
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// Main axle
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translate([10, 30, 36.1])
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{
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cylinder(r=6, h=0.4, $fn=30);
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cylinder(r=2.5, h=4.9, $fn=20);
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}
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}
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}
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}
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}
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// Tests:
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module test_alignds420(){alignds420(screws=1);}
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