box: 3D printable bottom side protection

pull/3/head
davor 7 years ago
parent ac56267252
commit 3d7d394437

@ -0,0 +1,443 @@
/*//////////////////////////////////////////////////////////////////
- FB Aka Heartman/Hearty 2016 -
- http://heartygfx.blogspot.com -
- OpenScad Parametric Box -
- CC BY-NC 3.0 License -
////////////////////////////////////////////////////////////////////
12/02/2016 - Fixed minor bug
28/02/2016 - Added holes ventilation option
09/03/2016 - Added PCB feet support, fixed the shell artefact on export mode.
*/////////////////////////// - Info - //////////////////////////////
// All coordinates are starting as integrated circuit pins.
// From the top view :
// CoordD <--- CoordC
// ^
// ^
// ^
// CoordA ---> CoordB
////////////////////////////////////////////////////////////////////
////////// - Paramètres de la boite - Box parameters - /////////////
/* [PCB_Feet--TheBoard_Will_NotBeExported) ] */
//All dimensions are from the center foot axis
// - Coin bas gauche - Low left corner X position
PCBPosX = 0;
// - Coin bas gauche - Low left corner Y position
PCBPosY = 0;
// - Longueur PCB - PCB Length
PCBLength = 30*2.54;
// - Largeur PCB - PCB Width
PCBWidth = 17*2.54;
// - Heuteur pied - Feet height
FootHeight = 7;
// - Diamètre pied - Foot diameter
FootDia = 6;
// - Diamètre trou - Hole diameter
FootHole = 1.8;
// - 3-foot mode, one foot width-asymmetric, 0 for normal 4-foot mode
Foot3Width = 0*2.54;
// those clearances should be larger than
// the PCB edge to hole centers distances
FootClrX = 6; // foot center to panel clearance
FootClrY = 6; // foot center to shell wall clearance
// - Epaisseur - Wall thickness
Thick = 2;//[2:5]
/* [Box dimensions] */
// - Longueur - Length
Length = PCBLength+2*(2*Thick+FootClrX);
// - Largeur - Width
Width = PCBWidth+2*(Thick+FootClrY);
// - Hauteur - Height
Height = 13;
/* [Box options] */
// Pieds PCB - PCB feet (x4)
PCBFeet = 1;// [0:No, 1:Yes]
// - Decorations to ventilation holes
Vent = 0;// [0:No, 1:Yes]
// - Decoration-Holes width (in mm)
Vent_width = 1.5;
// - Text you want
txt = "12*";
// - Font size
TxtSize = 5;
// - Font
Police ="Arial Black";
// - Diamètre Coin arrondi - Filet diameter
Filet = 2;//[0.1:12]
// - lissage de l'arrondi - Filet smoothness
Resolution = 20;//[1:100]
// - Tolérance - Tolerance (Panel/rails gap)
m = 1.5;
// mounting legs clearance
MountClearance = 0.1;
// clearance between Top and Bottom shell
ShellClearance = 0.1;
// mounting hole diameters
MountOuterHole = 2.5;
MountInnerHole = 1.8;
/* [STL element to export] */
//Coque haut - Top shell
TShell = 0;// [0:No, 1:Yes]
//Coque bas- Bottom shell
BShell = 1;// [0:No, 1:Yes]
//Panneau arrière - Back panel
BPanel = 0;// [0:No, 1:Yes]
//Panneau avant - Front panel
FPanel = 0;// [0:No, 1:Yes]
//Texte façade - Front text
Text = 1;// [0:No, 1:Yes]
/* [Hidden] */
// - Couleur coque - Shell color
Couleur1 = "Orange";
// - Couleur panneaux - Panels color
Couleur2 = "OrangeRed";
// Thick X 2 - making decorations thicker if it is a vent to make sure they go through shell
Dec_Thick = Vent ? Thick*2 : Thick;
// - Depth decoration
Dec_size = Vent ? Thick*2 : 0.8;
//////////////////// Oversize PCB limitation -Actually disabled - ////////////////////
//PCBL= PCBLength+PCBPosX>Length-(Thick*2+7) ? Length-(Thick*3+20+PCBPosX) : PCBLength;
//PCBW= PCBWidth+PCBPosY>Width-(Thick*2+10) ? Width-(Thick*2+12+PCBPosY) : PCBWidth;
PCBL=PCBLength;
PCBW=PCBWidth;
//echo (" PCBWidth = ",PCBW);
/////////// - Boitier générique bord arrondis - Generic Fileted box - //////////
module RoundBox($a=Length, $b=Width, $c=Height){// Cube bords arrondis
$fn=Resolution;
translate([0,Filet,Filet]){
minkowski (){
cube ([$a-(Length/2),$b-(2*Filet),$c-(2*Filet)], center = false);
rotate([0,90,0]){
cylinder(r=Filet,h=Length/2, center = false);
}
}
}
}// End of RoundBox Module
////////////////////////////////// - Module Coque/Shell - //////////////////////////////////
module Coque(top=0){//Coque - Shell
Thick = Thick*2;
difference(){
difference(){//sides decoration
union(){
difference() {//soustraction de la forme centrale - Substraction Fileted box
difference(){//soustraction cube median - Median cube slicer
union() {//union
difference(){//Coque
RoundBox();
translate([Thick/2,Thick/2,Thick/2]){
RoundBox($a=Length-Thick, $b=Width-Thick, $c=Height-Thick);
}
}//Fin diff Coque
difference(){//largeur Rails
translate([Thick+m,Thick/2,Thick/2]){// Rails
RoundBox($a=Length-((2*Thick)+(2*m)), $b=Width-Thick, $c=Height-(Thick*2));
}//fin Rails
translate([((Thick+m/2)*1.55),Thick/2,Thick/2+0.1]){ // +0.1 added to avoid the artefact
RoundBox($a=Length-((Thick*3)+2*m), $b=Width-Thick, $c=Height-Thick);
}
}//Fin largeur Rails
}//Fin union
translate([-Thick,-Thick,Height/2]){// Cube à soustraire
cube ([Length+100, Width+100, Height], center=false);
}
}//fin soustraction cube median - End Median cube slicer
translate([-Thick/2,Thick,Thick]){// Forme de soustraction centrale
RoundBox($a=Length+Thick, $b=Width-Thick*2, $c=Height-Thick);
}
}
if(top > 0.5)
for(i = [0:1])
difference(){// Fixation box legs
union(){
translate([i*(Length-6*Thick-10)+3*Thick+5,Thick,Height/2]){
rotate([90,0,0]){
$fn=6;
cylinder(d=16,Thick/2);
}
}
translate([i*(Length-6*Thick-10)+3*Thick+5,Width-Thick,Height/2]){
rotate([-90,0,0]){
$fn=6;
cylinder(d=16,Thick/2);
}
}
}
// angular cut 45 deg
translate([4,Thick+Filet,Height/2-57]){
rotate([45,0,0]){
cube([Length,40,40]);
}
}
// angular cut 45 deg
translate([4,Width-(Thick+Filet),Height/2-57]){
rotate([45,0,0]){
cube([Length,40,40]);
}
}
// clearance cut
translate([0,-(Thick*1.5-MountClearance),Height/2]){
cube([Length,Thick*2,10]);
}
// clearance cut
translate([0,Width-Thick*2+(Thick*1.5-MountClearance),Height/2]){
rotate([0,0,0])
cube([Length,Thick*2,10]);
}
} //Fin fixation box legs
}
union(){// outbox sides decorations
//if(Thick==1){Thick=2;
for(i=[0:Thick:Length/4]){
// Ventilation holes part code submitted by Ettie - Thanks ;)
translate([10+i,-Dec_Thick+Dec_size,1]){
cube([Vent_width,Dec_Thick,Height/4]);
}
translate([(Length-10) - i,-Dec_Thick+Dec_size,1]){
cube([Vent_width,Dec_Thick,Height/4]);
}
translate([(Length-10) - i,Width-Dec_size,1]){
cube([Vent_width,Dec_Thick,Height/4]);
}
translate([10+i,Width-Dec_size,1]){
cube([Vent_width,Dec_Thick,Height/4]);
}
}// fin de for
// }
}//fin union decoration
}//fin difference decoration
if(top < 0.5)
for(i = [0:1])
union(){ //sides inner holes
$fn=20;
translate([i*(Length - 6*Thick-10) + 3*Thick+5,20,Height/2+4]){
rotate([90,0,0]){
cylinder(d=MountInnerHole,20);
}
}
translate([i*(Length - 6*Thick-10) + 3*Thick+5,Width-20,Height/2+4]){
rotate([-90,0,0]){
cylinder(d=MountInnerHole,20);
}
}
}
if(top > 0.5)
for(i = [0:1])
union() // sides outer holes
{
$fn=20;
translate([i*(Length - 6*Thick-10) + 3*Thick+5,5,Height/2-4+ShellClearance]){
rotate([90,0,0]){
cylinder(d=MountOuterHole,20);
}
}
translate([i*(Length - 6*Thick-10) + 3*Thick+5,Width+5,Height/2-4+ShellClearance]){
rotate([90,0,0]){
cylinder(d=MountOuterHole,20);
}
}
}//fin de sides holes
}//fin de difference holes
}// fin coque
////////////////////////////// - Experiment - ///////////////////////////////////////////
///////////////////////////////// - Module Front/Back Panels - //////////////////////////
module Panels(){//Panels
color(Couleur2){
translate([Thick+m,m/2,m/2]){
difference(){
translate([0,Thick,Thick]){
RoundBox(Length,Width-((Thick*2)+m),Height-((Thick*2)+m));}
translate([Thick,-5,0]){
cube([Length,Width+10,Height]);}
}
}
}
}
/////////////////////// - Foot with base filet - /////////////////////////////
module foot(FootDia,FootHole,FootHeight){
Filet=2;
color("Orange")
translate([0,0,Filet-1.5])
difference(){
difference(){
//translate ([0,0,-Thick]){
union()
{
cylinder(d=FootDia+Filet,FootHeight-Thick, $fn=100);
// add centering cylinder for 3.2 mm hole
translate([0,0,FootHeight-Thick-0.01])
cylinder(d=3,h=1.5,$fn=32);
}
//}
rotate_extrude($fn=100){
translate([(FootDia+Filet*2)/2,Filet,0]){
minkowski(){
square(10);
circle(Filet, $fn=100);
}
}
}
}
cylinder(d=FootHole,FootHeight+1, $fn=100);
}
}// Fin module foot
module Feet(){
//////////////////// - PCB only visible in the preview mode - /////////////////////
translate([2*Thick+2,Thick+5,FootHeight+(Thick/2)-0.5]){
%square ([PCBL+10,PCBW+10]);
translate([PCBL/2,PCBW/2,0.5]){
color("Olive")
%text("PCB", halign="center", valign="center", font="Arial black");
}
} // Fin PCB
////////////////////////////// - 4 Feet - //////////////////////////////////////////
translate([2*Thick+FootClrX,Thick+FootClrY,Thick/2]){
foot(FootDia,FootHole,FootHeight);
}
translate([2*Thick+FootClrX,(Thick)+PCBW+FootClrY,Thick/2]){
foot(FootDia,FootHole,FootHeight);
}
if(Foot3Width < 0.001)
{
// 4-foot mode
translate([(2*Thick)+PCBL+FootClrX,(Thick)+PCBW+FootClrY,Thick/2]){
foot(FootDia,FootHole,FootHeight);
}
translate([(2*Thick)+PCBL+FootClrX,Thick+FootClrY,Thick/2]){
foot(FootDia,FootHole,FootHeight);
}
}
else
{
// 3-foot mode
translate([(2*Thick)+PCBL+FootClrX,(Thick)+Foot3Width+FootClrY,Thick/2]){
foot(FootDia,FootHole,FootHeight);
}
}
} // Fin du module Feet
///////////////////////////////////// - Main - ///////////////////////////////////////
if(BPanel==1)
//Back Panel
translate ([-m/2,0,0]){
difference()
{
Panels();
// cut off opening for micro USB connector
translate([Thick*1.5+m,Width/2,21])
cube([Thick*2,11,6],center=true);
}
}
if(FPanel==1)
{
//Front Panel
rotate([0,0,180]){
translate([-Length-m/2,-Width,0]){
difference()
{
Panels();
// cut off opening for USB connector
translate([Thick*1.5+m,Width/2,10])
cube([Thick*2,15,7],center=true);
}
}
}
if(Text==1)
// Front text
color(Couleur1){
translate([Length-(Thick),Width/2+Thick*0,(Height-(Thick*3+(TxtSize/2)))]){// x,y,z
rotate([90,0,90]){
linear_extrude(height = 1.0){
text(txt, font = Police, size = TxtSize, valign ="center", halign ="center");
}
}
}
}
}
if(BShell==1)
// Coque bas - Bottom shell
color(Couleur1){
difference()
{
Coque(top=0);
// cut off for WiFi
translate([24,0,6])
cube([21,10,3],center=true);
// cut off for HDMI
translate([52,60,8])
cube([22,10,6],center=true);
}
if (PCBFeet==1) // Feet
translate([PCBPosX,PCBPosY,0])
difference()
{
Feet();
}
}
if(TShell==1)
// Coque haut - Top Shell
color( Couleur1,1){
translate([Length,0,Height+ShellClearance]){
rotate([0,180,0]){
Coque(top=1);
}
}
}
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