phone = [ 75.0, 145.0 ];
-prop_lid_posns = [ 58, 140 ]; // measured from bottom of phone
+prop_buildout_less = 3;
+
+prop_angles = [ 15, 30, 45, 60 ];
bumper = [ 0.250, -0.025 ];
// ^ One side. Overall size is increased by twice this.
catch_finger_height = 1.5;
catch_finger_depth = 2.5;
-prop_main_width = 3;
+prop_recess_under = 0.50;
+prop_recess_slop = 0.200; // each side
+prop_end_dia = 0.5;
prop_main_th = 3;
-prop_wing_len = 3;
-prop_nose_slope = 1.5; // bigger means pointier
+prop_taper_len = 6;
+prop_main_width = 3;
prop_side_gap = 0.75; // each side
-prop_fin_height = 1.5;
-prop_fin_width = 0.75;
-prop_max_angle = 45; // bigger means at worse angle
-prop_recess_under = 0.30;
-prop_backfwd_gap = 1.0; // total
+prop_lidrecess_behind = 0.75;
+prop_caserecess_behind = 0.75;
+prop_caserecess_taper = 0.45; // one side only
+prop_prop_gap = 0.5;
+prop_prong_heel_slope = 0.5;
// ---------- calculated ----------
inside_br = [phone_width, -phone_height];
+prop_prong_h = prop_main_th;
+
//echo(camera_pos_tl + bumper,
// camera_pos_br + bumper);
phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
-prop_nose_len = case_th_lid - prop_recess_under;
-prop_recess_slope = tan(prop_max_angle); // bigger means steeper
-prop_recess_depth = case_th_lid - prop_recess_under;
-prop_recess_width = prop_main_th / cos(prop_max_angle) + prop_backfwd_gap;
+//prop_lidrecess_depth = case_th_lid - prop_recess_under;
+
+//prop_nose_len = case_th_lid - prop_recess_under;
+//prop_recess_slope = tan(prop_max_angle); // bigger means steeper
+//prop_recess_width = prop_main_th / cos(prop_max_angle) + prop_backfwd_gap;
+
//lid_lip_overlap_width xxx bad name = ;
//lid_lip_inner_slope = [ 5, 5 ]; // xxx
lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
+case_bottom_z = epp2o[1] - case_th_bottom;
+
// button profile
bppM = epp4 + [0,5];
bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
cppV[1] - (catch_finger_height - cp_rQ) ];
cppF = [ cppV[0] + catch_finger_depth, cppC[1] ];
-// prop recess
+// prop recess in case
+
+prop_x_pos = phone_width/2;
+
+prop_recess_hw = 0.5 * prop_main_width + prop_side_gap;
+
+prc_r1 = prop_end_dia/2;
+prc_r3 = prc_r1 + prop_recess_slop;
+
+prcp2 = [ epp4[0] + prop_buildout_less,
+ case_bottom_z ];
+
+prop_caserecess_buildout_r = -1; // prcp2[0] - epp2o[0];
-prp1 = [0,0]; // by definition
-prp2 = prp1 + [ -prop_recess_slope, -1 ] * prop_recess_depth;
-prp4 = prp1 + [1,0] * prop_recess_width;
-prp3 = [ prp4[0], prp2[1] ];
-prp5 = prp4 + [1,0] * prop_recess_depth;
+prcp1 = [ epp2o[0],
+ epp2i[1] - prc_r3 ];
+
+// prop recess in lid
+
+prl_r10 = prop_end_dia/2;
+prl_r10o = prl_r10 + prop_recess_slop;
+
+prlp10 = lpp10 + [1,1] * prl_r10o
+ + [1,0] * prop_lidrecess_behind
+ + [0,1] * prop_recess_under;
+
+// prop
+
+prpp10 = [0,0];
+prpp11 = [0, prop_taper_len];
+
+prp_r10 = prl_r10;
// ---------- modules ----------
children(0);
}
-module PropRecess(){
- // origin is nonstandard
- hwd345 = 0.5*prop_main_width + prop_side_gap;
- hwd35 = 0.5*prop_fin_width + prop_side_gap;
- rotate([90,0,90]){
- linextr(-hwd345, +hwd345)
- polygon([ prp1,
- prp2,
- prp3,
- prp4,
- prp4 + [0,10],
- prp1 + [0,10],
- ]);
- linextr(-hwd35, +hwd35)
- polygon([ prp1,
- prp3,
- prp5,
- prp5 + [0,10],
- prp1 + [0,10],
- ]);
- }
-}
-
module CaseBase(){
AroundEdges(epp3[1], case_th_bottom, 1)
EdgeProfile();
}
+module PropProfile(gamma, cut=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];
+ x = k / (2 * sin(gamma/2)) - hppT[0];
+ b = p + x;
+
+ q = phone_height - hppT[0]; // prpp7[0] is 0 by definition
+ a = q + x;
+ c = sqrt(a*a + b*b - 2*a*b*cos(gamma));
+ alpha = acos( (b*b + c*c - a*a) / (2*b*c) );
+
+ theta = 90 - alpha;
+ beta = 180 - alpha - gamma;
+ psi = 90 - beta;
+
+ echo("abc", a,b,c);
+
+ v1 = [ [ cos(psi), -sin(psi) ], // x
+ [ sin(psi), cos(psi) ] ]; // y
+
+ prpp7 = [0, c + (lpp13[1] - prpp10[1]) ];
+
+ prp_r1 = prc_r1;
+ prp_r11 = prop_main_th/2;
+
+ prpp1 = prpp7 + [1,0] *
+ // this is approximate, but will do
+ (prop_main_th/2 + prop_prop_gap + prcp1[0] - epp4[0]);
+ 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 = [ 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;
+
+ //#circleat(prpp3,1);
+ //#circleat(prpp12,1);
+
+ if (!cut) {
+ hull(){
+ translate(prpp8)
+ intersection(){
+ circle(prp_r8);
+ polygon([[-20,-0], [0,0], [20,20]]);
+ }
+ rectfromto(prpp6, prpp9);
+ translate(prpp5) intersection(){
+ circle(prp_r5);
+ polygon([[-10,-10], [0,0], [10,0]]);
+ }
+ rectfromto(prpp12 + [0,-0.1], prpp3);
+ }
+ hull(){
+ circleat(prpp1, prp_r1);
+ rectfromto(prpp12 + [0,-0.1], prpp3);
+ }
+ }
+ // main shaft
+ rotate([0,0, cut ? -theta : 0]){
+ hull(){
+ extra = cut ? prop_recess_slop : 0;
+ rectfromto(prpp6, prpp9);
+ circleat(prpp11, prp_r11 + extra);
+ circleat(prpp10, prp_r10 + extra);
+ }
+ }
+}
+
module Case(){ ////toplevel
difference(){
union(){
// hinge
HingePortion(hex20, hex21) HingeBaseProfile();
+
+ // buildout for prop recess
+ if (prop_caserecess_buildout_r > 0) Flip_rhs(1)
+ linextr(case_bottom_z, epp2i[1])
+ hull() {
+ for (dxs = [-1,+1])
+ circleat([ prop_x_pos + dxs * prop_caserecess_buildout_r,
+ -epp2o[0] ],
+ r = epp2o[0] - prcp2[0]);
+ }
}
// slot for keeper
linear_extrude(height= 20)
ButtonPlan($button_l, 1,1);
}
+
}
// apertures along top edge
// catch striker
CatchPortion(catch_width + catch_side_gap*2)
CatchCutProfile();
+
+ // prop recess
+ Flip_rhs(1)
+ translate([prop_x_pos,0,0])
+ rotate([90,0,90])
+ linextr(-prop_recess_hw, +prop_recess_hw)
+ mirror([1,0])
+ hull(){
+ for (d=[ [0,0], [0,-1], [+1,-1/prop_caserecess_taper] ])
+ circleat(prcp1 + 20*d,
+ prc_r3);
+ }
}
}
// screw holes in the hinge arms
HingeScrews();
-
- // prop recesses
- Flip_bot(1)
- for (y = prop_lid_posns)
- translate([ phone_width/2, -y, lpp13[1] ])
- PropRecess();
}
}
color("blue") CatchCatchProfile();
color("red") difference(){ EdgeProfile(); CatchCutProfile(); }
}
+
+ translate([40,-30]) {
+ difference(){
+ %LidEdgeProfile();
+ //translate(prlp10)
+ //PropProfile(10, 1);
+ }
+ translate(prlp10)
+ PropProfile(45, 0);
+ }
}
//EdgeProfile();
~ianmdlvl / reprap-play.git / blobdiff