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just found out that there are 2D primitives too, no need to use DXF... so changed the triangle to use polygon and extrusion, cleaner than doing weird booleans.

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This changes the default orientation of the triangle so adapted the servo library too.
This commit is contained in:
Eero af Heurlin 2010-08-26 15:08:44 +08:00 committed by Elmo
parent f74a94b519
commit fd3da7a8c1
2 changed files with 30 additions and 6 deletions
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12
servos.scad
View file

@ -7,7 +7,7 @@
* License: LGPL 2.1 * License: LGPL 2.1
*/ */
use <triangle.scad> use <triangles.scad>
/** /**
* Align DS420 digital servo * Align DS420 digital servo
@ -57,9 +57,9 @@ module alignds420(position, rotation, screws = 0, axle_lenght = 0)
} }
// The large slope // The large slope
translate([6,18,19.0]) translate([-6,0,19])
{ {
rotate([0,0,180]) rotate([90,0,90])
{ {
triangle(4, 18, 12); triangle(4, 18, 12);
} }
@ -80,11 +80,11 @@ module alignds420(position, rotation, screws = 0, axle_lenght = 0)
{ {
cube([12,6.5,4]); cube([12,6.5,4]);
} }
translate([-7,1,24.0]) translate([7,-7,24.0])
{ {
rotate([180,0,0]) rotate([-90,0,90])
{ {
triangle(3, 8, 14); triangle(3, 8, 14);
} }
} }

24
triangles.scad
View file

@ -15,6 +15,7 @@
* @param number a_len Lenght of the adjacent side * @param number a_len Lenght of the adjacent side
* @param number depth How wide/deep the triangle is in the 3rd dimension * @param number depth How wide/deep the triangle is in the 3rd dimension
*/ */
/*
module triangle(o_len, a_len, depth) module triangle(o_len, a_len, depth)
{ {
difference() difference()
@ -29,3 +30,26 @@ module triangle(o_len, a_len, depth)
} }
} }
} }
# triangle(5,10,7);
*/
/**
* 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
* @todo a better way ?
*/
module triangle(o_len, a_len, depth)
{
linear_extrude(height=depth)
{
polygon(points=[[0,0],[a_len,0],[0,o_len]], paths=[[0,1,2]]);
}
}
triangle(5,10,7);