MCAD-Library/servos.scad
2010-08-26 22:24:32 +08:00

109 lines
2 KiB
OpenSCAD

/**
* Servo outline library
*
* Authors:
* - Eero 'rambo' af Heurlin 2010-
*
* License: LGPL 2.1
*/
use <triangles.scad>
/**
* Align DS420 digital servo
*
* @param vector position The position vector
* @param vector rotation The rotation vector
* @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
* @param number axle_lenght If defined this will draw "backgound" indicator for the main axle
*/
module alignds420(position, rotation, screws = 0, axle_lenght = 0)
{
translate(position)
{
rotate(rotation)
{
union()
{
// Main axle
translate([0,0,17])
{
cylinder(r=6, h=8, $fn=30);
cylinder(r=2.5, h=10.5, $fn=20);
}
// Box and ears
translate([-6,-6,0])
{
cube([12, 22.8,19.5], false);
translate([0,-5, 17])
{
cube([12, 7, 2.5]);
}
translate([0, 20.8, 17])
{
cube([12, 7, 2.5]);
}
}
if (screws > 0)
{
translate([0,(-10.2 + 1.8),11.5])
{
# cylinder(r=1.8/2, h=6, $fn=6);
}
translate([0,(21.0 - 1.8),11.5])
{
# cylinder(r=1.8/2, h=6, $fn=6);
}
}
// The large slope
translate([-6,0,19])
{
rotate([90,0,90])
{
triangle(4, 18, 12);
}
}
/**
* This seems to get too complex fast
// Small additional axes
translate([0,6,17])
{
cylinder(r=2.5, h=6, $fn=10);
cylinder(r=1.25, h=8, $fn=10);
}
// Small slope
difference()
{
translate([-6,-6,19.0])
{
cube([12,6.5,4]);
}
translate([7,-7,24.0])
{
rotate([-90,0,90])
{
triangle(3, 8, 14);
}
}
}
*/
// So we render a cube instead of the small slope on a cube
translate([-6,-6,19.0])
{
cube([12,6.5,4]);
}
}
if (axle_lenght > 0)
{
% cylinder(r=0.9, h=axle_lenght, center=true, $fn=8);
}
}
}
}
// Tests:
module test_alignds420(){alignds420(screws=1);}