// -*- C -*-
+// Infill density: 20%
+
+include <funcs.scad>
include <utils.scad>
-nook_th = 12.41 + 0.50 - 1.50;
-nook_w = 127.12 + 0.75 - .95;
-nook_h = 123.44 + 21.88 + 21.05 + 0.75 - 1.90;
+nook_th = 12.41 + 0.50 - 1.50 + 1.35 - .25;
+nook_w = 127.12 + 0.75 - .95 - .50;
+nook_h = 123.44 + 21.88 + 21.05 + 0.75 - 1.90 - 0.50 - 0.50;
edge_ledge_w = 9.60;
-edge_ledge_h = 2.44;
+edge_ledge_h = 2.44 - .25;
edge_ledge_inc_ang = 10; // degrees
usb_w = 14.5;
open_recess_w = 12.5;
open_recess_h = 2.5;
+open_recess_2_len = 15;
+open_recess_2_d_tooth = 30;
+
nook_cnr_rad = 10;
case_th = 2.5;
engage_l1 = 10;
engage_l2 = 3;
-tooth_inward = gap[0] * 1.0;
-tooth_x = nook_w * 1/6;
+tooth_inward = gap[0] * 1.0 + 0.25 + 0.25;
tooth_w = 15;
+diag_near_hinge_slope = 0.5;
+
$test = false;
$fa = $test ? 10 : 3;
nom_cnr = 0.5 * [nook_w, nook_h, 0] - nook_cnr_rad * [1,1,0];
+tooth_y = nom_cnr[1] - tooth_w/2;
+
etxa = nom_cnr[0] - engage_l2;
etxb = etxa - engage_l1;
etxc = -(nom_cnr[0] - engage_l2);
opra = nom_cnr[1] - engage_l2;
oprb = opra - open_recess_w;
+opqa = tooth_y - open_recess_2_d_tooth + open_recess_2_len/2;
+opqb = opqa - open_recess_2_len;
+
tppS = tppB + [-gap[0], 0];
tppP = [ tppS[0] - tooth_th, tppC[1] ];
tppQ = tppP + tooth_height * [0,-1] + tooth_inward * [1,0];
}
}
+module DiagonaliseNearHinge(wider){
+ sz = spp0[1] - spp30[1] + gap[1];
+
+ for (my=[0,1]) mirror([0,my,0]) {
+ translate([-etxa, -nook_h/2, 0])
+ mirror([1,0,0])
+ linextr_y_xz(spp31[0] - wider, spp30[0] + gap[0] + 0.1)
+ translate([ 0, spp30[1] ])
+ polygon([[ -1, 0 ],
+ [ 0, 0 ],
+ [ sz/diag_near_hinge_slope, sz ],
+ [ sz/diag_near_hinge_slope, sz + 0.1 ],
+ [ -1, sz + 0.1 ]]);
+ }
+}
+
module Base(){ ////toplevel
difference(){
FaceCore(spp7[1],spp8[1], 0.3, 0) {
mirror([0,1,0])
linextr_x_yz(-usb_w/2, usb_w/2)
rectfromto(spp8 + [-40, usb_below], [40, 40]);
+ translate([ gap[0], 0,0 ])
+ DiagonaliseNearHinge(10);
/*
translate([nook_w/2, 0, 0])
linextr_y_xz(oprb, opra)
rectfromto([-40, -open_recess_h], [40, 1]);
*/
}
+ if ($test) {
+ linextr(spp7[1], spp8[1]) {
+ hull(){
+ for (r=[0,180])
+ rotate([0,0,r])
+ translate(nom_cnr + -1 * nook_cnr_rad*[1,1])
+ square(12);
+ }
+ }
+ }
}
module Top(){ ////toplevel
- FaceCore(tppE[1],tppD[1], -gap[0], gap[0] + 0.3) {
- LeftTopMainProfile();
- RightTopMainProfile();
- TopTapeCutout();
+ difference(){
+ FaceCore(tppE[1],tppD[1], -gap[0], gap[0] + 0.3) {
+ LeftTopMainProfile();
+ RightTopMainProfile();
+ TopTapeCutout();
+ }
+ translate([nook_w/2, 0,0])
+ linextr_y_xz(opqb, opqa)
+ rectfromto(spp8, tppC + [-1,1]);
}
- translate([tooth_x, nook_h/2, 0])
- linextr_x_yz(-tooth_w/2, +tooth_w/2)
- mirror([1,0])
+ translate([0,0, gap[1]])
+ DiagonaliseNearHinge(0);
+ translate([nook_w/2, tooth_y, 0])
+ linextr_y_xz(-tooth_w/2, +tooth_w/2)
ToothProfile();
}
module TopPrint(){ ////toplevel