phone = [ 75.0, 145.0 ];
+prop_buildout_less = 3;
+
prop_angles = [ 15, 30, 45, 60 ];
bumper = [ 0.250, -0.025 ];
prop_taper_len = 6;
prop_main_width = 3;
prop_side_gap = 0.75; // each side
+prop_lidrecess_behind = 0.75;
prop_caserecess_behind = 0.75;
-prop_caserecess_taper = 0.25; // each side
-prop_x_pos = 30;
+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_lidrecess_depth = case_th_lid - prop_recess_under;
+//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;
+//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 = ;
cppV[1] - (catch_finger_height - cp_rQ) ];
cppF = [ cppV[0] + catch_finger_depth, cppC[1] ];
-// prop recess in lid
+// prop recess in case
+
+prop_x_pos = phone_width/2;
-prl_r1 = prop_end_dia/2 + prop_recess_slop; // radius of end
+prop_recess_hw = 0.5 * prop_main_width + prop_side_gap;
-prlp1 = [ lpp10[0] + prop_recess_slop + prop_end_dia/2,
- lpp10[1] + prop_recess_slop + prop_end_dia/2 ];
+prc_r1 = prop_end_dia/2;
+prc_r3 = prc_r1 + prop_recess_slop;
-// prop recess in case
+prcp2 = [ epp4[0] + prop_buildout_less,
+ case_bottom_z ];
-prcp2 = [ epp1[0], case_bottom_z ]; // protrusion corner
+prop_caserecess_buildout_r = -1; // prcp2[0] - epp2o[0];
-prc_r2 = prop_end_dia/2 + prop_recess_slop; // radius of end
+prcp1 = [ epp2o[0],
+ epp2i[1] - prc_r3 ];
-prcp1_y = epp2o[1] - prop_recess_under - prc_r2;
-prcp2_x = prcp2[0] + prop_caserecess_behind + prc_r2 +
- (prcp1_y - case_bottom_z) * prop_caserecess_taper;
-prcp2 = [ prcp1_x, prcp1_y ]; // centre of tip circle
+// prop recess in lid
-prop_recess_hw = 0.5 * prop_main_width + prop_side_gap;
+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_caserecess_buildout_r = prcp2[0] - epp2o[0];
+// prop
+
+prpp10 = [0,0];
+prpp11 = [0, prop_taper_len];
+
+prp_r10 = prl_r10;
// ---------- modules ----------
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
ButtonPlan($button_l, 1,1);
}
- // buildout for prop recess
- Flip_rhs(1)
- linextr(-case_th_bottom, epp2i)
- hull() {
- for (dxs = [-1,+1])
- circleat([ prop_x_pos + dxs * prop_caserecess_buildout_r,
- epp2o[0] ]);
- }
}
// apertures along top edge
// prop recess
Flip_rhs(1)
- translate([0,0,x])
+ translate([prop_x_pos,0,0])
rotate([90,0,90])
linextr(-prop_recess_hw, +prop_recess_hw)
+ mirror([1,0])
hull(){
- for (zs=[ -1,0,+1 ])
- circleat(prcp2 + 20*(abs(zs) * [0,-1] +
- zs * [1,0] * prop_caserecess_taper),
- pr_r2);
+ for (d=[ [0,0], [0,-1], [+1,-1/prop_caserecess_taper] ])
+ circleat(prcp1 + 20*d,
+ prc_r3);
}
}
}
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