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 = 1.0;
+prop_prong_heel_slope = 0.5;
// ---------- calculated ----------
EdgeProfile();
}
-module PropProfile(gamma, cut=0){ ////toplevel
+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;
p = phone_height - prlp10[0] - hppB[0];
theta = 90 - alpha;
beta = 180 - alpha - gamma;
- psi = 90 - beta + atan(prop_caserecess_taper);
+ psi = 90 - beta;
echo("abc", a,b,c);
- prpv1 = [ sin(psi), cos(psi) ];
+ v1 = [ [ cos(psi), -sin(psi) ], // x
+ [ sin(psi), cos(psi) ] ]; // y
prpp7 = [0, c + (lpp13[1] - prpp10[1]) ];
prpp1 = prpp7 + [1,0] *
// this is approximate, but will do
(prop_main_th/2 + prop_prop_gap + prcp1[0] - epp4[0]);
- prpp3 = prpp1 + [ -prp_r1,
- (prcp2[1] - prcp1[1]) - prop_prop_gap ];
+ prpp3 = prpp1 +
+ v1[0] * -prp_r1 +
+ v1[1] * ((prcp2[1] - prcp1[1]) - prop_prop_gap);
+ prpp12 = prpp3 + v1[0] *
+ (prop_end_dia + prop_caserecess_taper * (prpp1[1] - prpp3[1]));
prp_r8 = prop_main_th;
prpp4 = [ prop_main_th/2, prpp3[1] ];
prp_r5 = prp_r8;
- prpp5 = [ prpp1[0] + prp_r1 - prp_r5,
+ prpp5 = [ prpp12[0] - prp_r5,
prpp3[1] - prop_prong_h + prp_r5 ];
prpp6 = prpp4 + [0,-1] * (prop_prong_h +
prop_prong_heel_slope * (prpp5[0] - prpp4[0]));
prpp8 = prpp4 + [0,-1] * prp_r8;
prpp9 = prpp8 + [-1,0] * prp_r8;
- prpp12 = prpp3 + [1,0] * prop_end_dia;
- //#circleat(prpp5,1);
+ //#circleat(prpp3,1);
+ //#circleat(prpp12,1);
if (!cut) {
hull(){
translate(prpp8)
intersection(){
circle(prp_r8);
- rectfromto([-20,-0], [20,20]);
+ polygon([[-20,-0], [0,0], [20,20]]);
}
rectfromto(prpp6, prpp9);
translate(prpp5) intersection(){
circle(prp_r5);
- rectfromto([-10,-10], [10,0]);
+ polygon([[-10,-10], [0,0], [10,0]]);
}
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 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
translate([40,-30]) {
difference(){
- %LidEdgeProfile();
- //translate(prlp10)
- //PropProfile(10, 1);
+ LidEdgeProfile();
+ translate(prlp10)
+ PropProfile(10, 1, 0);
}
translate(prlp10)
- PropProfile(10, 0);
+ PropProfile(15, 0);
+ }
+ translate([60,-30]) {
+ PropAggregateProfile();
}
}