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Add SW270 based subwoofer template

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Lauri Võsandi 2021-07-17 09:45:06 +03:00
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/**
* Laser cuttable template for building a subwoofer with
* Wavecor SW270 driver and Monacor SAM-300D amplifier
*/
B = 19.05; // Bushing outer diameter
M = 6.35; // Mill diameter
J = 100; // Mill pad
T = 21; // Material thickness
I = 320; // Internal dimension
A = 5; // Alignment pad size
P = 17; // Alignment pad placement
O = I + 2 * T; // Outer dimensions
BD = B - M; // Bushing offset
echo("Internal volume", I*I*I/1000000, "L");
module sam300d_flush_mount() {
offset(r=BD) square([255, 188], center=true);
}
// Side panels
translate([I+J/2, 0]) {
difference() {
square([I + J, I - BD], center=true);
sam300d_flush_mount();
// Alignment squares
translate([O/2,0]) rotate(45) square(A, center=true);
translate([-O/2,0]) rotate(45) square(A, center=true);
translate([0,I/2-P]) rotate(45) square(A, center=true);
translate([0,-I/2+P]) rotate(45) square(A, center=true);
translate([I/2,I/2-P]) rotate(45) square(A, center=true);
translate([I/2,-I/2+P]) rotate(45) square(A, center=true);
translate([-I/2,I/2-P]) rotate(45) square(A, center=true);
translate([-I/2,-I/2+P]) rotate(45) square(A, center=true);
}
}
// Front face
difference() {
square([I - BD, I - BD], center=true);
// Alignment squares
translate([I/2-P,0]) rotate(45) square(A, center=true);
translate([-I/2+P,0]) rotate(45) square(A, center=true);
translate([0,I/2-P]) rotate(45) square(A, center=true);
translate([0,-I/2+P]) rotate(45) square(A, center=true);
circle(d=228+BD, $fn=100);
for ( i = [0 : 60 : 360] ){
rotate(i) translate([259/2,0]) circle(d=4, $fn=30);
}
}