sb/feature/blt #3

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sebastian merged 3 commits from sb/feature/blt into master 2022-07-07 23:24:25 +02:00
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/* mount options */
wt = 5; // wall thickness (min 5mm for m2 inserts)
tb = 40;
bpt = 7;
/* BLT */
hdb = 18; // mounting hole distance
wb = 11; // width of Sensor
lb = 27; // length of sensor mounting flange
mhb = 32.7; // mounting distance from top of base plate
rc = 2; // radius corners
$fn= 100;
module through(l=7, lh=3.3, lt=1, lb=1){
union(){
translate([0,0,l-lh])cylinder(h=lh+lt, d=5.6);
translate([0,0,-lb])cylinder(h=l+lh+lb, d=3.5);
}
}
module m3 (h=8, lt=1){
//translate([0,0,-lt])cylinder(h, d=2.5); // tapped M3
translate([0,0,-lt])cylinder(h, d=4); // rutex insert
}
module m2 (h=8, lt=1){
translate([0,0,-lt])cylinder(h, d=1.5); // tapped M3
//translate([0,0,-lt])cylinder(h, d=3.2); // rutex insert
}
module mount(){
translate([4,4,-12])difference(){
hull(){
translate([0,0,6])cylinder(h=6, d=8);
translate([4,-4,0])cube([0.01,8,12]);
}
translate([0,0,12])mirror([0,0,1])through(l=10,lb=1,lt=1,lh=7);
}
}
difference(){
hull(){
translate([rc,rc])cylinder(h=wb, r=rc);
translate([0,mhb-wb/2, wb/2])rotate([0,90,0])cylinder(h=wt, d=wb);
translate([lb-wb/2,0, wb/2])rotate([-90,0,0])cylinder(h=wt, d=wb);
}
z = wb/2;
for(x=[(lb-hdb)/2,(lb-hdb)/2+hdb,lb/2]){
translate([x,0,z])rotate([-90,0,0])m3(h=8);
}
for(y=[mhb-wb/2,mhb-wb/2-15]){
}
translate([0,mhb-6.65,5.9])rotate([0,90,0])through(l=lb+3, lh= lb);
translate([0,mhb-6.65-15,5.9])rotate([0,90,0])through(l=lb+3, lh= lb);
}