Files
SBC_Case_Builder/lib/standoff.scad
2024-01-29 17:40:12 -05:00

98 lines
3.2 KiB
OpenSCAD

/*
standoff(standoff[radius,height,holesize,supportsize,supportheight,sink,style,i_dia,i_depth])
*/
/* standoff module
standoff(standoff[radius,height,holesize,supportsize,supportheight,sink,style,reverse,insert_e,i_dia,i_depth])
sink=0 none
sink=1 countersink
sink=2 recessed hole
sink=3 nut holder
sink=4 blind hole
style=0 hex shape
style=1 cylinder
*/
module standoff(stand_off){
radius = stand_off[0];
height = stand_off[1];
holesize = stand_off[2];
supportsize = stand_off[3];
supportheight = stand_off[4];
sink = stand_off[5];
style = stand_off[6];
reverse = stand_off[7];
insert_e = stand_off[8];
i_dia = stand_off[9];
i_depth = stand_off[10];
adjust = 0.1;
difference (){
union () {
if(style == 0 && reverse == 0) {
rotate([0,0,30]) cylinder(d=radius*2/sqrt(3),h=height,$fn=6);
}
if(style == 0 && reverse == 1) {
translate([0,0,-height]) rotate([0,0,30]) cylinder(d=radius*2/sqrt(3),h=height,$fn=6);
}
if(style == 1 && reverse == 0) {
cylinder(d=radius,h=height,$fn=90);
}
if(style == 1 && reverse == 1) {
translate([0,0,-height]) cylinder(d=radius,h=height,$fn=90);
}
if(reverse == 1) {
translate([0,0,-supportheight]) cylinder(d=(supportsize),h=supportheight,$fn=60);
}
else {
cylinder(d=(supportsize),h=supportheight,$fn=60);
}
}
// hole
if(sink <= 3 && reverse == 0) {
translate([0,0,-adjust]) cylinder(d=holesize, h=height+(adjust*2),$fn=90);
}
if(sink <= 3 && reverse == 1) {
translate([0,0,-adjust-height]) cylinder(d=holesize, h=height+(adjust*2),$fn=90);
}
// countersink hole
if(sink == 1 && reverse == 0) {
translate([0,0,-adjust]) cylinder(d1=6.5, d2=(holesize), h=3);
}
if(sink == 1 && reverse == 1) {
translate([0,0,+adjust-2.5]) cylinder(d1=(holesize), d2=6.5, h=3);
}
// recessed hole
if(sink == 2 && reverse == 0) {
translate([0,0,-adjust]) cylinder(d=6.5, h=3);
}
if(sink == 2 && reverse == 1) {
translate([0,0,+adjust-3]) cylinder(d=6.5, h=3);
}
// nut holder
if(sink == 3 && reverse == 0) {
translate([0,0,-adjust]) cylinder(r=3.3,h=3,$fn=6);
}
if(sink == 3 && reverse == 1) {
translate([0,0,+adjust-3]) cylinder(r=3.3,h=3,$fn=6);
}
// blind hole
if(sink == 4 && reverse == 0) {
translate([0,0,2]) cylinder(d=holesize, h=height,$fn=90);
}
if(sink == 4 && reverse == 1) {
translate([0,0,-height-2-adjust]) cylinder(d=holesize, h=height,$fn=90);
}
if(insert_e > 0 && reverse == 0) {
translate([0,0,height-i_depth]) cylinder(d=i_dia, h=i_depth+adjust,$fn=90);
}
if(insert_e > 0 && reverse == 1) {
translate([0,0,-height-adjust]) cylinder(d=i_dia, h=i_depth+adjust,$fn=90);
}
}
}