On 16.02.22 13:41, Daniel wrote:
You'll need a very accurate printer for 2mm to come out well though.
Good point, for 2mm I've been using self-tapping screws, e.g. in
the code snipped below from a design having PCB standoffs.
ciao,
Torsten.
// https://github.com/UBaer21/UB.scad
use <UB/libraries/ub.scad>
$fa = 4; $fs = 0.4;
/* [Parameters] */
nozzle_diameter = 0.4;
tolerance = 0.35;
eps = 0.01;
wall = nozzle_diameter * 4;
bottom_screw_dia = 2;
// Mounting hole positions for esp12f-led PCB
// https://aisler.net/torsten/finished/esp12f-led-controller/board
module pcb_holes() {
x = 28 / 2;
y = 25.5 / 2;
for (xx = [-x, x], yy = [-y, y])
translate([xx, yy])
children();
}
pcb_holes() {
h = 10;
spiel = 0.2;
difference() {
Strebe(d = bottom_screw_dia + 2 * wall, rad = 3, h = h, single = true, spiel = spiel);
LinEx(h + spiel + eps, bottom_screw_dia, scale2 = 1.2) WStern(r = 1);
}
}
On 16.02.22 13:41, Daniel wrote:
> You'll need a very accurate printer for 2mm to come out well though.
Good point, for 2mm I've been using self-tapping screws, e.g. in
the code snipped below from a design having PCB standoffs.
ciao,
Torsten.
// https://github.com/UBaer21/UB.scad
use <UB/libraries/ub.scad>
$fa = 4; $fs = 0.4;
/* [Parameters] */
nozzle_diameter = 0.4;
tolerance = 0.35;
eps = 0.01;
wall = nozzle_diameter * 4;
bottom_screw_dia = 2;
// Mounting hole positions for esp12f-led PCB
// https://aisler.net/torsten/finished/esp12f-led-controller/board
module pcb_holes() {
x = 28 / 2;
y = 25.5 / 2;
for (xx = [-x, x], yy = [-y, y])
translate([xx, yy])
children();
}
pcb_holes() {
h = 10;
spiel = 0.2;
difference() {
Strebe(d = bottom_screw_dia + 2 * wall, rad = 3, h = h, single = true, spiel = spiel);
LinEx(h + spiel + eps, bottom_screw_dia, scale2 = 1.2) WStern(r = 1);
}
}
