Leahnaya/TataconUSB
1
0
Fork 0
mirror of https://github.com/mon/TataconUSB.git synced 2026-09-09 02:45:09 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Finalise case

Browse Source
This commit is contained in:
William Toohey
2016-07-03 15:51:58 +10:00
parent 2d5ac3931f
commit e03b47c616
1 changed files with 132 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

158
Hardware/Case/TataconCase.scad
View File

@@ -1,9 +1,10 @@
use <BezierScad.scad>
// change to 32, 6 for production resolution
// Change to 4, 2 for draft resolution
$fn = 32;
bezRes = 6;
// When highRes is set, renders can take upwards of 5 minutes
highRes = 1;
$fn = highRes ? 32 : 4;
bezRes = highRes ? 6 : 2;
// 5 or 4
ver = 5;
@@ -12,7 +13,9 @@ ver = 5;
fudge = 0.4;
miniFudge = 0.2;
board_length = ver == 5 ? 33.6 + fudge : 37.3 + fudge;
wall_strength = 0.8;
board_length = ver == 5 ? 33.5 + fudge : 37.3 + fudge;
board_width = 16.3 + fudge;
board_thickness = 1.6;
board_clearance_bottom = 1.2; // USB connector shield pins
@@ -23,8 +26,13 @@ usb_width = 12.1 + fudge;
usb_height = 4.5 + fudge;
usb_relative_z = ver == 5 ? 0.6 : 0;
usb_clip_offset = 3.9;
usb_clip_strength = 0.4;
usb_clip_offset = 4.9;
// ver 4 clip must come further because of crystal leeway
usb_clip_strength = ver == 5 ? 0.5 : 0.8;
// ver 4 nub is too far forward
usb_nub_strength = ver == 5 ? 0.4 : 0;
usb_nub_offset = 1.7; // from the clip
usb_nub_width = 0.7;
board_clearance_top = ver == 5 ? usb_height - (board_thickness - usb_relative_z) : 3.3 + fudge; // height of crystal
@@ -34,23 +42,28 @@ nunchuck_length = 12.9 - nunchuck_overhang + fudge;
nunchuck_height = 8.4 + fudge;
nunchuck_relative_z = board_thickness;
nunchuck_port_overlap = 1.2;
// For the rear cover
nunchuck_hole_offset = 5.2;
nunchuck_hole_height = 1.1;
switch_radius = 2 + fudge;
rear_cover_height = 0.8;
rear_cover_length = 7;
rear_cover_strength = 1.2;
switch_diameter = 2.5 + fudge;
switch_offsetx = ver == 5 ? 13.5 : 4.85;
switch_offsety = ver == 5 ? 14 : 21.1;
switch_offsety = ver == 5 ? 14 : 22.1;
// cutout to see dem lights
led_height = 1;
led_length = 2.8;
led_x = 0;
led_y = 18.4;
led_x = ver == 5 ? 0 : board_width+wall_strength;
led_y = ver == 5 ? 18.4 : 21.4;
// v5 has no crystal, make things look nicer
crystal_bottom = ver == 5 ? 15 : 18.3;
crystal_length = 11.4;
wall_strength = 1.2;
// Keeps the PCB in place
lip_strength = 0.8;
@@ -132,7 +145,6 @@ module entry_cutout() {
translate([nunchuck_width+lip_strength,
board_length-miniFudge,
board_clearance_bottom])
// 1.2mm is so the switch clears
cube([lip_strength,wall_strength+miniFudge,board_thickness + switch_clear]);
}
@@ -151,26 +163,53 @@ module smooth_ports() {
polygon(points=[[0,0],[-nunchuck_port_overlap,0],[0,-nunchuck_port_overlap*2]]);
}
module half_cylinder(width, height) {
rotate([0,90,0])
linear_extrude(width)
scale([1, 2])
difference() {
circle(height);
translate([-height/2,0])
square([height, height*2], true);
}
}
module sharp_clip(width, height) {
rotate([0,90,0])
linear_extrude(width)
scale([1, 2])
union() {
difference() {
circle(height);
translate([-height/2,0])
square([height, height*2], true);
translate([height/2,-height/2])
square([height, height], true);
};
polygon(points=[[0,0],[height,0],[0,-height/3]]);
}
}
module usb_clip() {
translate([board_width/2 - usb_width/2,
usb_clip_offset,
board_height+board_clearance_top])
rotate([0,90,0])
linear_extrude(usb_width)
difference() {
scale([1, 2])
circle(usb_clip_strength);
translate([-usb_clip_strength/2,0])
square([usb_clip_strength, usb_clip_strength*4], true);
}
sharp_clip(usb_width, usb_clip_strength);
translate([board_width/2 - usb_nub_width/2,
usb_clip_offset - usb_nub_offset - usb_clip_strength*2,
board_height+board_clearance_top])
sharp_clip(usb_nub_width, usb_nub_strength);
}
module button_hole() {
translate([switch_offsetx,
switch_offsety,
board_height])
cylinder(nunchuck_height + wall_strength, switch_radius);
cylinder(nunchuck_height + wall_strength, d=switch_diameter);
}
module led_hole() {
@@ -191,6 +230,66 @@ module branding() {
text("mon.im", font_size);
}
// modularised so we can use it for cutouts in the main case
module rear_clip_locks(height = rear_cover_height) {
width = board_width - lip_strength*2 - fudge;
linear_extrude(height)
difference() {
union() {
square([width, rear_cover_length]);
polygon(points=[[0,0],
[0,rear_cover_strength],
[-lip_strength,rear_cover_strength]]);
translate([width,0,0])
polygon(points=[[0,0],
[0,rear_cover_strength],
[lip_strength,rear_cover_strength]]);
};
translate([rear_cover_strength, -rear_cover_strength, 0])
square([width - rear_cover_strength*2, rear_cover_length]);
};
}
// To present a nice finish on the back end
module rear_clip() {
// miniFudge for a tight fit
width = board_width - lip_strength*2 - fudge;
union() {
// The "clip" section
rear_clip_locks();
// The various fillins to cover the back
bottomGap = board_clearance_bottom + miniFudge;
boardSurface = bottomGap + board_thickness - miniFudge;
outerHeight = bottomGap + board_thickness + switch_clear - fudge;
outerEdge = -lip_strength;
translate([0,rear_cover_length,0])
rotate([90,0,0])
linear_extrude(wall_strength)
polygon(points=[
[0,0],
[0,bottomGap],
[outerEdge,bottomGap],
[outerEdge,outerHeight],
// there's a little hole in the nunchuck but not much
[fudge,outerHeight],
[fudge,boardSurface],
// fill the bottom nunchuck hole
[nunchuck_hole_offset,boardSurface],
// there's a slight angle to it
[nunchuck_hole_offset+fudge,boardSurface+nunchuck_hole_height],
// mirrored first section
[width-nunchuck_hole_offset-fudge,boardSurface+nunchuck_hole_height],
[width-nunchuck_hole_offset,boardSurface],
[width-fudge,boardSurface],
[width-fudge,outerHeight],
[width-outerEdge,outerHeight],
[width-outerEdge,bottomGap],
[width,bottomGap],
[width,0]]);
};
}
module board() {
translate([wall_strength, wall_strength, wall_strength]) {
union() {
@@ -201,7 +300,9 @@ module board() {
button_hole();
led_hole();
branding();
// clip cutouts
translate([wall_strength + miniFudge/2, board_length + wall_strength - rear_cover_length, 0])
rear_clip_locks(board_clearance_bottom);
};
smooth_ports();
usb_clip();
@@ -209,4 +310,9 @@ module board() {
};
}
board();
// Uncomment for printing
rotate([90,0,0])
board();
// Uncomment to see how it meshes with the case
//translate([wall_strength*2 + fudge/2, board_length + wall_strength*2 - rear_cover_length, wall_strength + miniFudge/2])
//rear_clip();