The thing I’m sharing today is a very early and very small slice of the project that is likely going to consume the next few years of my life. This is a parametric generator for M.2 expansion card mockups in OpenSCAD.
梯子vpn_iTunes123:iTunes123大数据分析平台为您推荐梯子vpn相关的应用和游戏,通过对梯子vpn数据分析,让您更清晰的掌握梯子vpn动态. 免费vpn翻墙科学上网游戏加速器小火箭极速海神VPN绿叶快帆熊猫海豚闪电蚂蚁游侠蓝灯梯子老王快喵软件油管脸书汤不热推特谷歌浏览器天行电报
// M.2 Mockup Generator
// by Nirav Patel <http://www.tgbuzz.com>
//
// To the extent possible under law, Nirav Patel has waived all copyright
// and related or neighboring rights to M.2 Mockup Generator.
//
// An easy to use parametric M.2 mockup generator.
// See http://en.wikipedia.org/wiki/M.2 for more information about the
// M.2 (formerly NGFF) standard.
edge_width = 19.85;
edge_length = 4;
edge_r = 0.5;
hole_r = 1.75;
key_r = 0.6;
key_length = 3.5;
pcb_thick = 0.8;
bottom_edge_keepout = 5.2;
top_gnd_pad_r = 2.75;
bottom_gnd_pad_r = 3;
bottom_gnd_pad_offset = 1;
bevel = 0.3;
bevel_angle = 20;
$fn=50;
module key_cutout() {
union() {
translate([0, key_length - key_r]) circle(r = key_r);
translate([-key_r, -1]) square([key_r*2,key_length - key_r +1]);
}
}
function get_key(key_type="mm") =
key_table[search([key_type],key_table,1,0)[0]][1];
key_table = [["", 100], ["A", 6.625], ["B", 5.625], ["C", 4.625], ["D", 3.625], ["E", 2.625], ["F", 1.625], ["G", -1.125], ["H", -2.125], ["J", -3.125], ["K", -4.125], ["L", -5.125], ["M", -6.125]];
module m2_2d(width=22, length=30, key="M", key2="") {
// Start with a 2d version
difference() {
square([width, length]);
// Left cutout
translate([(width-edge_width)/2-width, -edge_r]) square([width, edge_length]);
translate([(width-edge_width)/2-width-edge_r, 0]) square([width, edge_length]);
translate([(width-edge_width)/2-edge_r, edge_length-edge_r]) circle(r=edge_r);
// Right cutout
translate([width-(width-edge_width)/2, -edge_r]) square([width, edge_length]);
translate([width-(width-edge_width)/2+edge_r, 0]) square([width, edge_length]);
translate([width-(width-edge_width)/2+edge_r, edge_length-edge_r]) circle(r=edge_r);
// Hole cutout
translate([width/2, length]) circle(r = hole_r);
// Key cutouts
translate([width/2 + get_key(key), 0])
key_cutout();
translate([width/2 + get_key(key2), 0])
key_cutout();
}
}
module m2_text(width=22, length=30, height="", key="", key2="") {
if (key2 != "") {
string = str(width, length, "-", height, "-", key, "-", key2);
linear_extrude(height = 1)
text(string, size = 2.5);
} else {
string = str(width, length, "-", height, "-", key);
linear_extrude(height = 1)
text(string, size = 2.5);
}
}
module m2(width=22, length=30, height="", key="", key2="") {
union() {
difference() {
linear_extrude(height = pcb_thick)
m2_2d(width, length, key, key2);
// The card edge bevel
translate([0, bevel, 0]) rotate([180-bevel_angle, 0, 0]) cube([width, 10, 10]);
translate([0, bevel, pcb_thick]) rotate([90+bevel_angle, 0, 0]) cube([width, 10, 10]);
}
difference() {
// The various component keepout zones and embossed text
if (height == "S1") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.2]);
translate([1, edge_length+1, pcb_thick+1.2-0.5]) m2_text(width, length, height, key, key2);
}
} else if (height == "S2") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.35]);
translate([1, edge_length+1, pcb_thick+1.35-0.5]) m2_text(width, length, height, key, key2);
}
} else if (height == "S3") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.5]);
translate([1, edge_length+1, pcb_thick+1.5-0.5]) m2_text(width, length, height, key, key2);
}
} else if (height == "D1") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.2]);
translate([1, edge_length+1, pcb_thick+1.2-0.5]) m2_text(width, length, height, key, key2);
}
translate([0, bottom_edge_keepout, -1.35]) cube([width, length-bottom_edge_keepout, 1.35]);
} else if (height == "D2") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.35]);
translate([1, edge_length+1, pcb_thick+1.35-0.5]) m2_text(width, length, height, key, key2);
}
translate([0, bottom_edge_keepout, -1.35]) cube([width, length-bottom_edge_keepout, 1.35]);
} else if (height == "D3") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.5]);
translate([1, edge_length+1, pcb_thick+1.5-0.5]) m2_text(width, length, height, key, key2);
}
translate([0, bottom_edge_keepout, -1.35]) cube([width, length-bottom_edge_keepout, 1.35]);
} else if (height == "D4") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.5]);
translate([1, edge_length+1, pcb_thick+1.5-0.5]) m2_text(width, length, height, key, key2);
}
translate([0, bottom_edge_keepout, -0.7]) cube([width, length-bottom_edge_keepout, 0.7]);
} else if (height == "D5") {
difference() {
translate([0, edge_length, pcb_thick]) cube([width, length-edge_length, 1.5]);
translate([1, edge_length+1, pcb_thick+1.5-0.5]) m2_text(width, length, height, key, key2);
}
translate([0, bottom_edge_keepout, -1.5]) cube([width, length-bottom_edge_keepout, 1.5]);
} else {
translate([1, edge_length+1, pcb_thick-0.5]) m2_text(width, length, height, key, key2);
}
// The ground pad keepouts
translate([width/2, length, pcb_thick]) cylinder(r = top_gnd_pad_r, h = 10);
translate([width/2, length-bottom_gnd_pad_offset, -10]) {
cylinder(r = bottom_gnd_pad_r, h = 10);
translate([-bottom_gnd_pad_r, 0, 0]) cube([bottom_gnd_pad_r*2, bottom_gnd_pad_offset, 10]);
}
}
}
}
m2(width=22, length=30, height="S3", key="A", key2="E");
This is also up on GitHub as a Gist.
