adding my parts to this library

This commit is contained in:
Eero af Heurlin 2010-08-25 23:00:19 +08:00 committed by Elmo
parent 7280e754ae
commit bd6f6e3dbb
2 changed files with 139 additions and 0 deletions

108
servos.scad Normal file
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/**
* Servo outline library
*
* Authors:
* - Eero 'rambo' af Heurlin 2010-
*
* License: GPL 2.0
*/
use <triangle.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([6,18,19.0])
{
rotate([0,0,180])
{
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([-7,1,24.0])
{
rotate([180,0,0])
{
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);
}
}
}
}
// Example, uncomment to test
alignds420(screws=1);

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triangles.scad Normal file
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/**
* Simple triangles library
*
* Authors:
* - Eero 'rambo' af Heurlin 2010-
*
* License: GPL 2.0
*/
/**
* Standard right-angled triangle
*
* @param number o_len Lenght of the opposite side
* @param number a_len Lenght of the adjacent side
* @param number depth How wide/deep the triangle is in the 3rd dimension
*/
module triangle(o_len, a_len, depth)
{
difference()
{
cube([depth, a_len, o_len], center=false);
rotate([atan(o_len/a_len),0,0])
{
translate([-2.5,0,0])
{
cube([depth+5,sqrt(pow(a_len, 2) + pow(o_len,2))+2, o_len+2], center=false);
}
}
}
}