From 4d5bdd751ca8e7693806c4fb9012829060d7c18c Mon Sep 17 00:00:00 2001 From: "Jan \"Yenya\" Kasprzak" Date: Fri, 17 Jan 2014 00:37:31 +0100 Subject: [PATCH] case.scad: more improvements --- case.scad | 185 +++++++++++++++++++++++++++++++++--------------------- 1 file changed, 112 insertions(+), 73 deletions(-) diff --git a/case.scad b/case.scad index a76ae70..b1e5a3f 100644 --- a/case.scad +++ b/case.scad @@ -1,17 +1,4 @@ -/* TODO -- vybrani pro otevreni -- mozna sirsi misto na baterku? -- vetsi vybrani pro baterku ve vicku -- kuzelova dira pro tlacitka -- jine diry pro uchyceni -- zvetsit vybrani na strane tlacitek -- mozna prilis velky klip zasunovaciho konce baterky -- diry pro neizolovany drat muzou byt mensi -- sirsi zakladna -- mensi horni cast klipu baterky - pri 0.7 je sirka nahore 16 mm. -*/ - -lowres = 1; +lowres = 0; eps = 0.01; infty = 300; @@ -22,69 +9,53 @@ wall = 1.5; // generic wall thickness batt_diam = 18 + 0.6; batt_len = 65 + 1.5; -cable_sep = 2.5; +cable_sep = 1; // front flat area -front_flat_len = batt_len + 2*wall + 2*cable_sep; +front_flat_len = batt_len + 4*wall + 2*cable_sep; // PCB-related dimensions pcb_len = 36 + 1; // length of the board 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_groove = 0.5; +pcb_groove = 1; -body_top_h = 0.30 * batt_diam; // cube-shaped part of the body +body_top_h = 0.35 * batt_diam; // cube-shaped part of the body +outwire_thick = 2.2; wire_thick = 2.2; wire_sep = 3.5; cable_out_diam = 5.2; -pcbside_protrusion_len = 20; -pcbside_protrusion_diam = 2.5; -battside_protrusion_len = 10; -battside_protrusion_diam = 2; +batt_end_h = wire_sep/2 + wire_thick/2 + 1.5;; -base_batt_extend = wall + pcb_thick; // extend the base on the battery side - -cover_sep = 0.1; +lid_sep = 0.5; // the lid is made this much smaller to separate from the body sw_diam = 2.5 + 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 -pcb_clip_w = 7; -pcb_clip_off = led_xoff + pcb_clip_w/2; - - -module battery() { - translate([-batt_len/2, 0, 0]) - rotate([0, 90, 0]) - cylinder(r=batt_diam/2, h = batt_len); -}; +prg_len = 10; // programming connector +prg_width = 7; module case_body() { hull() { - translate([-batt_len/2-wall-cable_sep, -batt_diam/2-wall, 0]) - cube([batt_len + 2*wall + 2*cable_sep, + translate([-batt_len/2-2*wall-cable_sep, -batt_diam/2-wall, 0]) + cube([batt_len + 4*wall + 2*cable_sep, batt_diam+2*wall, body_top_h]); difference() { - translate([-batt_len/2-wall-cable_sep, 0, 0]) + translate([-batt_len/2-2*wall-cable_sep, 0, 0]) rotate([0, 90, 0]) cylinder(r=batt_diam/2+wall, - h = batt_len + 2*wall + 2*cable_sep); + h = batt_len + 4*wall + 2*cable_sep); translate([-infty/2, -infty/2, eps]) cube(infty); }; translate([-front_flat_len/2, batt_diam/2 - pcb_width, -batt_diam/2-2*pcb_comp_h-pcb_thick-wall]) cube([front_flat_len, pcb_width+wall, eps]); -/* - translate([-batt_len/2 - 2*wall - cable_sep, 0, 0]) - rotate([0, 90, 0]) - cylinder(r = 1.414*wire_sep + wire_thick, - h = batt_len + 4*wall + 2*cable_sep); -*/ }; }; @@ -102,17 +73,33 @@ module case() { cylinder(r=batt_diam/2, h = batt_len); // hole for PCB - translate([-pcb_len/2, + translate([-pcb_len/2-pcb_xoff, batt_diam/2-pcb_width, -batt_diam/2-pcb_thick - pcb_comp_h]) cube([pcb_len, pcb_width, batt_diam/2 + pcb_thick + pcb_comp_h + eps]); + // hole above the PCB + translate([-pcb_len/2-pcb_xoff-wall-2*outwire_thick, + batt_diam/2-pcb_width, + -batt_diam/2-pcb_comp_h]) + cube([pcb_len, pcb_width, + batt_diam/2 + pcb_comp_h + eps]); // hole under the PCB - translate([-pcb_len/2+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]) cube([pcb_len-2*pcb_groove, pcb_width-2*pcb_groove, batt_diam/2 + pcb_thick + pcb_comp_h + 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]) + 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]) + cube([prg_len/2+eps, prg_width+2*eps, pcb_thick]); + }; // LED hole translate([0, batt_diam/2-pcb_width/2, -infty/2]) { cylinder(r=led_diam/2, h=infty, $fn=6); @@ -121,14 +108,24 @@ module case() { translate([-sw_xoff, 0, 0]) cylinder(r=sw_diam/2, h=infty, $fn=6); }; + // cable outlet + translate([-pcb_xoff-pcb_len/2-outwire_thick-wall, -6, 0]) + rotate([40, 0, 0]) + scale([2, 1, -1]) + cylinder(r=outwire_thick/2, h = infty, $fn=12); // space under the wire holes for battery contacts - translate([-batt_len/2-wall-cable_sep-eps, 0, 0]) + translate([-batt_len/2-2*wall-cable_sep-eps, 0, 0]) difference() { rotate([0, 90, 0]) - cylinder(r = batt_diam/2-wall, h = batt_len + 2*wall + 2*cable_sep + 2*eps); - translate([-infty/2, -infty/2, -body_top_h]) + cylinder(r = batt_diam/2-wall, h = batt_len + 4*wall + 2*cable_sep + 2*eps); + translate([-infty/2, -infty/2, -batt_end_h]) cube(infty); }; + // space above the wire holes for battery contacts + translate([-batt_len/2-2*wall-cable_sep-eps, -batt_diam/2, batt_end_h]) + cube([batt_len + 4*wall + 2*cable_sep + 2*eps, + batt_diam, + batt_end_h]); // wire holes for battery contacts for (x = [-1, 1]) for (y = [-1, 1]) @@ -145,51 +142,93 @@ module case() { for(x=[1, -1]) scale([x, 1, 1]) translate([batt_len/2+wall, 0, 0]) hull() { translate([0, -batt_diam/2, 0]) - cube([cable_sep + eps, batt_diam, infty]); + cube([wall + cable_sep + eps, batt_diam, infty]); rotate([0, 90, 0]) - cylinder(r = batt_diam/2, h = cable_sep+eps); + cylinder(r = batt_diam/2, h = wall+cable_sep+eps); translate([0, batt_diam/2 - pcb_width, -batt_diam/2-pcb_comp_h-pcb_thick]) - cube([cable_sep + eps, pcb_width, eps]); + cube([wall + cable_sep + eps, pcb_width, eps]); + translate([cable_sep, batt_diam/2 - pcb_width + 1.5*wall, + -batt_diam/2-pcb_comp_h-pcb_thick-wall]) + cube([wall + eps, pcb_width-2*wall, eps]); }; + // cable lead to battery contacts + for (x=[1, -1]) scale([x, 1, 1]) + rotate([-140, 0, 0]) + translate([batt_len/2+wire_thick/2, 0, batt_diam/2-2*wall]) + cylinder(r=wire_thick/2, h = 5); + + // mounting holes + for(x=[-1,1]) scale([x, 1, 1]) + translate([batt_len/2-wall-wire_thick, batt_diam/2+2*wall, -batt_diam/2-pcb_thick-2*pcb_comp_h-wall]) + vert_torus(); + + for (x = [-1, 1]) scale([x, 1, 1]) for (x0 = [0, 10]) + translate([batt_len/2-wall-wire_thick-x0, 0, batt_end_h-wire_thick/2]) + rotate([-90, 0, 0]) + scale([2,1,1]) cylinder (r=wire_thick/2, h=infty, $fn=16); }; + // clip barrier + for (x = [-1, 1]) scale([x, 1, 1]) + translate([batt_len/2+wall-eps, batt_diam/2-pcb_width+wall+lid_sep, + -batt_diam/2-pcb_thick-pcb_comp_h + wall + lid_sep]) + cube([cable_sep+eps, pcb_width-2*wall-2*lid_sep, wall]); }; module lid_body() { - translate([-batt_len/2 + eps, -batt_diam/2, -batt_diam/2-eps]) - cube([batt_len - 2*eps, batt_diam, batt_diam/2 - body_top_h + wall + eps]); - translate([-batt_len/2 - wall - cable_sep, -batt_diam/2 - wall, + translate([-batt_len/2 - wall - lid_sep, -batt_diam/2+lid_sep, -batt_diam/2 -wall]) + cube([batt_len + 2*wall + 2*lid_sep, batt_diam-2*lid_sep, batt_diam/2 - batt_end_h + wall - lid_sep]); + translate([-batt_len/2 - 2*wall - cable_sep, -batt_diam/2 - wall, -batt_diam/2-wall]) - cube([batt_len + 2*wall + 2*cable_sep, batt_diam + 2*wall, - wall + batt_diam/2 - body_top_h]); + cube([batt_len + 4*wall + 2*cable_sep, batt_diam + 2*wall, + wall + batt_diam/2 - body_top_h - lid_sep]); // clip behind the battery contacts for(x=[1, -1]) - scale([x, 1, 1]) translate([batt_len/2+cable_sep, 0, 0]) hull() { - translate([0, -batt_diam/2, -batt_diam/2]) - cube([wall, batt_diam, eps]); + scale([x, 1, 1]) translate([batt_len/2+wall+lid_sep, 0, 0]) hull() { + translate([0, -batt_diam/2+lid_sep, -batt_diam/2]) + cube([wall+cable_sep-lid_sep, batt_diam-2*lid_sep, eps]); rotate([0, 90, 0]) - cylinder(r = batt_diam/2, h = wall); - translate([0, batt_diam/2 - pcb_width, - batt_diam/2+pcb_comp_h+pcb_thick]) - cube([wall, pcb_width, eps]); + cylinder(r = batt_diam/2-lid_sep, h = wall+cable_sep-lid_sep); + translate([0, batt_diam/2 - pcb_width+lid_sep, + batt_diam/2+pcb_comp_h+pcb_thick-lid_sep]) + cube([wall+cable_sep-lid_sep, pcb_width-2*lid_sep, eps]); + translate([cable_sep+wall/2, batt_diam/2 - pcb_width + 1.5*wall +lid_sep, + batt_diam/2+pcb_comp_h+pcb_thick+wall/2-lid_sep]) + cube([wall/2-lid_sep, pcb_width-2*wall-2*lid_sep, eps]); }; }; module lid() { difference() { lid_body(); - translate([-batt_len/2-eps, 0, 0]) rotate([0, 90, 0]) - cylinder(r=batt_diam/2, h=batt_len+2*eps); + translate([-batt_len/2+eps, 0, 0]) rotate([0, 90, 0]) + cylinder(r=batt_diam/2, h=batt_len-2*eps); + hull() { + difference() { + translate([-batt_len/2-cable_sep-wall, 0, 0]) rotate([0, 90, 0]) + cylinder(r=batt_diam/2-wall-lid_sep, h=batt_len+2*wall+2*cable_sep); + translate([-infty/2, -batt_diam/2, -infty-wire_sep/2-wire_thick/2]) + cube([infty, batt_diam, infty]); + }; + translate([-batt_len/2-cable_sep-wall, batt_diam/2-pcb_width+0.5*wall+0.5*lid_sep, batt_diam/2 + pcb_comp_h+pcb_thick-wall-lid_sep]) + cube([batt_len + 2*wall + 2* cable_sep, pcb_width-1.5*wall-1.5*lid_sep, eps]); + }; }; }; -/* -color("lightblue", 0.2) - translate([-65/2, 0, 0]) +module vert_torus() { rotate([0, 90, 0]) - cylinder(r=18/2, h=65); -*/ -translate([0, 30, 0]) case($fn=128); -lid($fn=128); + scale([1, 1, 2]) + rotate_extrude() translate([5, 0, 0]) circle(r=wire_thick/2, $fn=16); +}; +if (lowres) { + translate([0, 15, 0]) case(); + translate([0, -15, 0]) rotate([180, 0, 0]) lid(); +} else { + translate([0, 15, batt_diam/2+pcb_thick+2*pcb_comp_h+wall]) + case($fn=128); + translate([0, -15, batt_diam/2+wall]) + lid($fn=128); +} -- 2.39.3