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Support experimental snap tabs

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Set SnapTabs to 1 and get tabs with buttons and semispherical holes in
the box. This is experimental because I haven't built a box like this
and don't know how well it will work. The thickness of the tab is
probably important since you need it to flex just the right amount to
allow the button to fit. Also, the ScrewHole value is used for the size
of the button, so it should not exceed 2*Thick.
This commit is contained in:
Joel Ebel 2018-05-23 23:42:36 -04:00
parent f62b2699fe
commit fcd2f5308c
1 changed files with 49 additions and 20 deletions
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69
files/U_Box_V104_Test_Cleaned.scad
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@ -53,7 +53,7 @@ Vent_width = 1.5;
/* [Box Fixation Tabs] */
// - Side screw hole diameter
// - Side screw hole (or snap) diameter
ScrewHole = 2.2606;
// Thickness of fixation tabs
TabThick = 2;
@ -65,6 +65,8 @@ BRTab = 1; // [0:Bottom, 1:Top]
FLTab = 1; // [0:Bottom, 1:Top]
// Front right tab
FRTab = 1; // [0:Bottom, 1:Top]
// EXPERIMENTAL: Snap tabs
SnapTabs = 0; // [0:Screws, 1:Snaps]
/* [PCB options] */
@ -88,7 +90,6 @@ RightEdgeMargin = 95;
TopPCBMargin = 84;
/* [PCB_Feet] */
// - Heuteur pied - Feet height above box interior
FootHeight = 8;
@ -287,7 +288,7 @@ module Coque() { //Coque - Shell
/* tab: tab module
Produces a single box fixation tab with screw hole.
Produces a single box fixation tab with screw hole or snap button
*/
module tab() {
translate([0, Thick, Height/2]) {
@ -296,8 +297,10 @@ module tab() {
linear_extrude(TabThick) {
difference() {
circle(r=4*ScrewHole, $fn=6);
translate([0, ScrewHole*2, 0]) {
circle(d=ScrewHole, $fn=100);
if (!SnapTabs) {
translate([0, ScrewHole*2, 0]) {
circle(d=ScrewHole, $fn=100);
}
}
}
}
@ -310,6 +313,16 @@ module tab() {
cube([8*ScrewHole,4*ScrewHole,OuterMargin*2]);
}
}
if (SnapTabs) {
translate([0, ScrewHole*2, OuterMargin]) {
difference() {
sphere(d=ScrewHole, $fn=100);
translate([0, 0, ScrewHole*.75]) {
cube(ScrewHole, center=true);
}
}
}
}
}
}
}
@ -353,6 +366,27 @@ module Tabs(top=0) {
}
/* hole: hole module
Produces a box hole for fixation. This is either a cylinder for a screw
or a semispherical indention for snap tabs.
*/
module hole() {
if (SnapTabs) {
translate([0, -Thick, Height/2 - 2*ScrewHole]) {
sphere(d=ScrewHole, $fn=100);
}
}
else {
translate([0, Thick, Height/2 - 2*ScrewHole]) {
rotate([90, 0, 0]) {
cylinder(Thick*3, d=ScrewHole, $fn=100);
}
}
}
}
/* Holes: holes module
This module produces the holes necessary in the box fixation tabs and in the wall
@ -364,32 +398,27 @@ module Tabs(top=0) {
*/
module Holes(top=0) {
color(Couleur1) {
$fn = 100;
if (BRTab != top) {
translate([MountInset, Width + Thick, Height/2 - 2*ScrewHole]) {
rotate([90, 0, 0]) {
cylinder(Thick*3, d=ScrewHole);
}
translate([MountInset, Width, 0]) {
hole();
}
}
if (FRTab!= top) {
translate([Length - MountInset, Width + Thick, Height/2 - 2*ScrewHole]) {
rotate([90, 0, 0]) {
cylinder(Thick*3, d=ScrewHole);
}
translate([Length - MountInset, Width, 0]) {
hole();
}
}
if (BLTab!= top) {
translate([MountInset, -Thick, Height/2 - 2*ScrewHole]) {
rotate([270, 0, 0]) {
cylinder(Thick*3, d=ScrewHole);
translate([MountInset, 0, 0]) {
rotate([0, 0, 180]) {
hole();
}
}
}
if (FLTab != top) {
translate([Length - MountInset, -Thick, Height/2 - 2*ScrewHole]) {
rotate([270, 0, 0]) {
cylinder(Thick*3, d=ScrewHole);
translate([Length - MountInset, 0, 0]) {
rotate([0, 0, 180]) {
hole();
}
}
}