pcb_width = 11 + 0.5; // width of the board
pcb_thick = 1.2 + 0.3; // thickness of the board
pcb_comp_h = 2.2; // height of the components on board
+pcb_comp_h2 = 4.5; // height of the components on board - component side
pcb_groove = 1;
body_top_h = 0.35 * batt_diam; // cube-shaped part of the body
lid_sep = 0.2; // the lid is made this much smaller to separate from the body
-sw_diam = 2.5 + 0.5;
+// sw_diam = 2.5 + 0.5;
+sw_diam = 3.5 + 0.5;
led_diam = 3 + 0.5;
sw_xoff = 250 * 25.4/1000; // x offset of microswitches
pcb_xoff = 90 * 25.4/1000; // offset of the LED from the middle of the PCB
};
translate([-front_flat_len/2,
batt_diam/2 - pcb_width,
- -batt_diam/2-2*pcb_comp_h-pcb_thick-wall])
+ -batt_diam/2-pcb_comp_h-pcb_comp_h2-pcb_thick-wall])
cube([front_flat_len, pcb_width+wall, eps]);
};
// mounting cylinders
for (x = [-1, 1]) translate([x*(batt_len/2-mounthole_w/2),
batt_diam/2+wall, 0]) {
- translate([0, 0, -batt_diam/2-wall-2*pcb_comp_h-pcb_thick])
+ translate([0, 0, -batt_diam/2-wall-pcb_comp_h-pcb_comp_h2-pcb_thick])
mount_cyl(); // front
translate([0, 0, body_top_h]) // rear
scale([1, 1, -1])
-pcb_width+batt_diam/2,
-batt_diam/2-outcable_h])
cube([outcable_w, infty, outcable_h]);
- // hole under the PCB
+ // hole under the PCB (groove)
translate([-pcb_len/2+pcb_groove-pcb_xoff,
batt_diam/2-pcb_width + pcb_groove,
- -batt_diam/2-pcb_thick - 2*pcb_comp_h])
+ -batt_diam/2-pcb_thick - pcb_comp_h - pcb_comp_h2])
cube([pcb_len-2*pcb_groove, pcb_width-2*pcb_groove,
- batt_diam/2 + pcb_thick + pcb_comp_h + eps]);
+ batt_diam/2 + pcb_thick + pcb_comp_h2 + eps]);
+ // hole under the PCB (pcb-width)
+ translate([-pcb_len/2+2*pcb_groove-pcb_xoff,
+ batt_diam/2-pcb_width,
+ -batt_diam/2-pcb_thick - pcb_comp_h - pcb_comp_h2])
+ cube([pcb_len-4*pcb_groove, pcb_width,
+ batt_diam/2 + pcb_thick + pcb_comp_h2 + eps]);
// hole for prog connector
translate([pcb_len/2-pcb_xoff-pcb_groove-eps,
batt_diam/2-pcb_width/2-prg_width/2,
- -batt_diam/2-pcb_thick - 2*pcb_comp_h])
+ -batt_diam/2-pcb_thick - pcb_comp_h - pcb_comp_h2])
difference() {
cube([prg_len+pcb_groove+eps, prg_width,
batt_diam/2 + pcb_thick + pcb_comp_h + eps]);
- translate([prg_len/2+pcb_groove, -eps, pcb_comp_h])
+ translate([prg_len/2+pcb_groove, -eps, pcb_comp_h2])
cube([prg_len/2+eps, prg_width+2*eps, pcb_thick]);
};
- // LED hole
+ // LED and button holes
translate([0, batt_diam/2-pcb_width/2, -infty/2]) {
cylinder(r=led_diam/2, h=infty, $fn=6);
translate([sw_xoff, 0, 0])
-batt_diam/2-pcb_comp_h-pcb_thick])
cube([wall + eps, pcb_width, eps]);
translate([0, batt_diam/2 - pcb_width + 0.5*wall,
- -batt_diam/2-2*pcb_comp_h-pcb_thick])
+ -batt_diam/2-pcb_comp_h-pcb_comp_h2-pcb_thick])
cube([wall + eps, pcb_width-0.5*wall, eps]);
};
// inner hole behind the battery contacts
cylinder(r = mounthole_w/2, h = infty);
// grabbing gap
for(x=[-1,1]) scale([x, 1, 1])
- translate([batt_len/2+cable_sep+wall+10, batt_diam/2-pcb_width/2, -batt_diam/2-2*pcb_comp_h-pcb_thick-wall-eps])
+ translate([batt_len/2+cable_sep+wall+10, batt_diam/2-pcb_width/2, -batt_diam/2-pcb_comp_h-pcb_comp_h2-pcb_thick-wall-eps])
cylinder(r1 = 10, r2 = 10 - wall, h = wall + 2*eps);
- // plus sign - vertical line
- translate([batt_len/2 - 1.5*wall-plus_width/2, -plus_width/2, -batt_diam/2-wall])
+ // internal plus sign - vertical line
+ translate([-batt_len/2 + 0.5*wall+plus_width/2, -plus_width/2, -batt_diam/2-wall])
cube([wall, plus_width, infty]);
- // plus and minus signs - horizontal line
+ // internal plus and minus signs - horizontal line
for(x=[-1,1]) scale([x, 1, 1])
translate([batt_len/2 - wall - plus_width, -wall/2, -batt_diam/2-wall])
cube([plus_width, wall, infty]);
+ // button + label
+ scale([-1, 1, 1])
+ translate([sw_xoff + sw_diam/2 + wall/2 + plus_width/2, batt_diam/2-pcb_width/2-plus_width/2, -batt_diam/2-pcb_thick-pcb_comp_h-pcb_comp_h2-wall-eps])
+ cube([wall, plus_width, wall/2]);
+ // button +/- label - horizontal line
+ for (x=[-1, 1]) scale([x, 1, 1])
+ translate([sw_xoff + sw_diam/2 + wall, batt_diam/2-pcb_width/2-wall/2, -batt_diam/2-pcb_thick-pcb_comp_h-pcb_comp_h2-wall-eps])
+ cube([plus_width, wall, wall/2]);
};
// clip barrier
for (x = [-1, 1]) scale([x, 1, 1]) hull () {
rotate([0, 90, 0])
cylinder(r = batt_diam/2-lid_sep, h = wall-lid_sep);
translate([-clip_pretension, batt_diam/2 - pcb_width + 0.5*wall + lid_sep,
- batt_diam/2+2*pcb_comp_h+pcb_thick-lid_sep])
+ batt_diam/2+pcb_comp_h+pcb_comp_h2+pcb_thick-lid_sep])
cube([wall+clip_pretension, pcb_width-0.5*wall-1.5*lid_sep, eps]);
};
// outer part of the clip behind the battery contacts
};
translate([-clip_pretension,
batt_diam/2 - pcb_width,
- batt_diam/2+2*pcb_comp_h+pcb_thick+wall])
+ batt_diam/2+pcb_comp_h+pcb_comp_h2+pcb_thick+wall])
cube([wall-lid_sep, pcb_width+wall, eps]);
};
};
translate([0, 15, 0]) case();
translate([0, -15, 0]) rotate([180, 0, 0]) lid();
} else {
- translate([0, 15, batt_diam/2+pcb_thick+2*pcb_comp_h+wall])
+ translate([0, 15, batt_diam/2+pcb_thick+pcb_comp_h+pcb_comp_h2+wall])
case($fn=128);
translate([0, -15, batt_diam/2+wall])
lid($fn=128);