footprint dip switch openscad model.

needs yet to be converted to kicad compatible vrml
pull/3/head
davor 7 years ago
parent ed6a2c8feb
commit 1b550f4b24

@ -0,0 +1,85 @@
/*
Open freecad, select Workbench OpenSCAD
import file, select group and export to
VRML 2.0 (wrl file)
https://www.freecadweb.org/wiki/Import_OpenSCAD_code
*/
n_switches=4; // number of dip switches
pitch=2.54; // pin pitch
body=[(n_switches+0.5)*pitch, 3*pitch, 1.5*pitch];
height=pitch/8; // body above z axis
swhole=[pitch*0.5,pitch,pitch*0.5];
button=[pitch*0.4,pitch*0.4,pitch*0.5];
font = "Liberation Sans";
letter_size = pitch/2;
letter_height = pitch/16;
module letter(l)
{
// Use linear_extrude() to make the letters 3D objects as they
// are only 2D shapes when only using text()
linear_extrude(height = letter_height)
{
text(l, size = letter_size, font = font, halign = "center", valign = "center", $fn = 16);
}
}
// 2 pins for 1 switch
module pin_smd()
{
translate([0,0,pitch/8])
cube([pitch/3,pitch*0.75,pitch/4],center=true);
}
module dipsw_smd()
{
translate([0,0,body[2]/2+height]) // little above
union()
{
// cut off holes for switches
difference()
{
color("maroon")
cube(body,center=true);
// holes for switches
for(i = [0:n_switches-1])
{
color("maroon")
translate([(i-n_switches/2+0.5)*pitch,0,body[2]/2-swhole[2]/2+0.01])
cube(swhole,center=true);
}
}
// place the switch buttons and letters
for(i = [0:n_switches-1])
{
translate([(i-n_switches/2+0.5)*pitch,swhole[1]/2-button[1]/2-(swhole[0]-button[0])/2,body[2]/2-button[2]/2+0.01])
color("white")
cube(button,center=true);
translate([(i-n_switches/2+0.5)*pitch,-body[1]/2+letter_size,body[2]/2])
color("white")
letter(chr(48+(i+1)%10));
}
// text "ON"
translate([(0-n_switches/2+0.5)*pitch, body[1]/2-letter_size,body[2]/2])
color("white")
letter("ON");
// the pins
for(i = [0:n_switches-1])
{
// pins
for(j = [-1:2:1])
translate([(i-n_switches/2+0.5)*pitch, j*(body[1]/2+pitch*0.75/2),-body[2]/2-height+pitch/8])
color("white")
cube([pitch/3,pitch*0.75,pitch/4],center=true);
}
}
}
//scale(0,254) // proper scale for KiCAD WRL file
// rotate([0,0,90])
dipsw_smd();
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