prop_side_gap = 0.75; // each side
prop_lidrecess_behind = 0.75;
prop_caserecess_behind = 0.75;
-prop_caserecess_taper = 0.35; // one side only
+prop_caserecess_taper = 0.45; // one side only
prop_prop_gap = 0.5;
prop_prong_heel_slope = 0.5;
EdgeProfile();
}
-module PropProfile(gamma, cut=0){ ////toplevel
+function prop_x(gamma) = hp_k / (2 * sin(gamma/2)) - hppT[0];
+
+module PropProfile(gamma, cut=0, rot=0){ ////toplevel
// https://en.wikipedia.org/wiki/Solution_of_triangles#Two_sides_and_the_included_angle_given_(SAS)
- k = hp_k;
+ x = prop_x(gamma);
p = phone_height - prlp10[0] - hppB[0];
- x = k / (2 * sin(gamma/2)) - hppT[0];
b = p + x;
q = phone_height - hppT[0]; // prpp7[0] is 0 by definition
theta = 90 - alpha;
beta = 180 - alpha - gamma;
- psi = 90 - beta + atan(prop_caserecess_taper);
+ psi = 90 - beta;
echo("abc", a,b,c);
}
rectfromto(prpp12 + [0,-0.1], prpp3);
}
- %hull(){
+ hull(){
circleat(prpp1, prp_r1);
rectfromto(prpp12 + [0,-0.1], prpp3);
}
}
// main shaft
- rotate([0,0, cut ? -theta : 0]){
+ rotate([0,0, rot*-theta]){
hull(){
extra = cut ? prop_recess_slop : 0;
rectfromto(prpp6, prpp9);
}
}
+module PropAggregateProfile(){
+ for (angle = prop_angles)
+ PropProfile(angle, 0,0);
+}
+
+module Prop(){ ////toplevel
+ hw = prop_main_width/2;
+ linextr(-hw, +hw)
+ PropAggregateProfile();
+}
+
module Case(){ ////toplevel
difference(){
union(){
// screw holes in the hinge arms
HingeScrews();
+
+ // prop recess
+ translate([prop_x_pos, -prlp10[0], prlp10[1]])
+ rotate([90,0,90])
+ linextr(-prop_recess_hw, +prop_recess_hw)
+ mirror([1,0])
+ hull()
+ for (pa = prop_angles)
+ PropProfile(pa, 1,1);
}
}
Lid();
}
-module TestSelectPropRecesses(posns){
- linextr(-100,100){
- translate([phone_width/2, -phone_height]){
- square([ 3, 500 ], center=true);
- for (y=posns)
- hull()
- for (dy=[ -prp5[0], -prp2[0] ])
- translate([0,y+dy])
- square([prop_main_width+5, 5], center=true);
- }
- }
-}
-
module TestSelectFrame(){
include = [1,-1] * (epp2i[0] + 4);
module TestSelectLidFrame(){
TestSelectFrame();
- TestSelectPropRecesses(prop_lid_posns);
}
module TestFrameCase(){ ////toplevel
}
}
+module DemoPropAngleSelect(c){
+ color(c) difference(){
+ union(){ children(); }
+ translate([ prop_x_pos, -400, -200 ])
+ cube([ 400,800,400 ]);
+ }
+}
+
+module DemoPropAngle(ang){
+ hL = [0, -(phone_height - hppT[0]), hppT[1]];
+ hC = [0, -(phone_height - hppB[0]), hppB[1] + hp_k*2];
+
+ DemoPropAngleSelect("red") Case();
+
+ translate([0,0, -hp_k*2])
+ translate(hC)
+ rotate([-ang/2,0,0])
+ translate(-hC)
+ translate(hL)
+ rotate([-ang/2,0,0])
+ translate(-hL)
+ DemoPropAngleSelect("blue") Lid();
+
+ color("orange")
+ translate([prop_x_pos, -prlp10[0], prlp10[1]])
+ rotate([90,0,90])
+ Prop();
+}
+
+module DemoPropAngles(){ ////toplevel
+ DemoPropAngle(15);
+}
+
module DemoFrame(){ ////toplevel
color("red") TestFrameCase();
color("blue") intersection(){ Lid(); TestSelectLidFrame(); }
translate([40,-30]) {
difference(){
- %LidEdgeProfile();
- //translate(prlp10)
- //PropProfile(10, 1);
+ LidEdgeProfile();
+ translate(prlp10)
+ PropProfile(10, 1, 0);
}
translate(prlp10)
- PropProfile(60, 0);
+ PropProfile(15, 0);
+ }
+ translate([60,-30]) {
+ PropAggregateProfile();
}
}