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Better fitting case

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This commit is contained in:
Will Toohey
2016-10-19 11:59:38 +10:00
parent 18d9cac67b
commit 757adcc3be
2 changed files with 37 additions and 23 deletions
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2
Firmware/Keyboard/makefile
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@@ -51,6 +51,8 @@ v1debug: clean all
init: erase wfuse flashboot flash
initboot: erase wfuse flashboot
erase:
$(AVRDUDE) -e

58
Hardware/Case/TataconCase.scad
View File

@@ -9,8 +9,8 @@ bezRes = highRes ? 6 : 2;
// 5 or 4
ver = 5;
// not all boards are cut equal, some need 1mm extra
fat = 0;
// not all boards are cut equal, some need 0.5mm extra, some even need 1mm
fat = 1;
// deal with tolerances
fudge = 0.4;
@@ -18,25 +18,30 @@ miniFudge = 0.2;
wall_strength = 0.8;
board_length = ver == 5 ? 34 + fudge : 37.3 + fudge;
usb_width = 12.1 + fudge;
usb_height = 4.5 + fudge;
usb_relative_z = ver == 5 ? 0.6 : 0;
usb_ramp_length = 2;
usb_ramp_width = usb_width;
usb_ramp_strength = 0.6;
board_length = (ver == 5 ? 34 + fudge : 37.3 + fudge) + usb_ramp_length/3;
board_width = 16.3 + fudge + fat;
board_thickness = 1.6;
board_clearance_bottom = 1.2; // USB connector shield pins
board_height = board_clearance_bottom + board_thickness;
switch_clear = 1.9;
switch_diameter = 2.5 + fudge;
switch_offsetx = ver == 5 ? 13.5 + fat : 4.85;
switch_offsety = ver == 5 ? 14 : 22.1;
switch_offsety = (ver == 5 ? 14 : 22.1) + usb_ramp_length;
usb_width = 12.1 + fudge;
usb_height = 4.5 + fudge;
usb_relative_z = ver == 5 ? 0.6 : 0;
usb_clip_offset = 5;
// the entire length isn't enough leeway, but leave no gap and the front can shatter
usb_clip_offset = 5 + usb_ramp_length/3;
// ver 4 clip must come further because of crystal leeway
usb_clip_strength = ver == 5 ? 0.5 : 0.8;
usb_clip_strength = ver == 5 ? 0.6 : 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
@@ -51,7 +56,7 @@ nunchuck_height = 8.4 + fudge;
nunchuck_relative_z = board_thickness;
nunchuck_port_overlap = board_width - nunchuck_width - fudge*2;
// For the rear cover
nunchuck_hole_offset = 5.2;
nunchuck_hole_offset = board_width/2 - 3.1;
nunchuck_hole_height = 1.1;
rear_cover_height = 0.8;
@@ -62,7 +67,7 @@ rear_cover_strength = 1.2;
led_height = 1;
led_length = 2.8;
led_x = ver == 5 ? 0 : board_width+wall_strength;
led_y = ver == 5 ? 18.4 : 21.4;
led_y = (ver == 5 ? 18.4 : 21.4) + usb_ramp_length;
// v5 has no crystal, make things look nicer
crystal_bottom = ver == 5 ? 15 : 18.3;
@@ -92,9 +97,18 @@ module board_shape() {
}
module rounded() {
minkowski() {
board_shape();
sphere(wall_strength);
union() {
minkowski() {
board_shape();
sphere(wall_strength);
}
// It prints better with a nice flat face
// So it's not entirely rounded...
minkowski() {
cube([board_width,wall_strength,board_height+board_clearance_top]);
rotate([90,0,0])
cylinder(h = wall_strength, r = wall_strength);
}
}
}
@@ -198,17 +212,15 @@ module usb_clip() {
board_height+board_clearance_top])
sharp_clip(usb_nub_width, usb_nub_strength);
helper_length = 5;
helper_strength = 0.6;
translate([board_width/2,0,0])
rotate([0,-90,0])
linear_extrude(1, center = true)
linear_extrude(usb_ramp_width, center = true)
polygon(points=[[board_clearance_bottom+usb_relative_z,0],
[board_clearance_bottom+usb_relative_z,fudge],
[0, helper_length+fudge],
[0, helper_length+fudge - helper_strength*2],
[board_clearance_bottom+usb_relative_z - helper_strength,fudge],
[board_clearance_bottom+usb_relative_z - helper_strength, 0]]);
[fudge, usb_ramp_length+fudge],
[fudge, usb_ramp_length+fudge - usb_ramp_strength*2],
[board_clearance_bottom+usb_relative_z - usb_ramp_strength,fudge],
[board_clearance_bottom+usb_relative_z - usb_ramp_strength, 0]]);
}
module button_hole() {