phone = [ 75.0, 145.0 ];
+prop_buildout_less = 3;
+
+prop_angles = [ 15, 30, 45, 60 ];
+
bumper = [ 0.250, -0.025 ];
// ^ One side. Overall size is increased by twice this.
// If no bumpers, is the gap around the phone.
lid_gap_z = 0.25;
lid_lip = 1.75;
-catch_slop = 0.25;
+catch_slop = 0.50;
foldover_gap = 0.50;
foldover_lever_gap = 0.50;
hinge_x_arms_gap = 0.35;
hinge_r_arms_gap = 0.55;
-rearspeaker_gap = [ 1.0, 1.0 ]; // each side
+rearspeaker_gap = [ 2.0, 2.0 ]; // each side
catch_len = 7.5;
catch_width = 15;
catch_finger_height = 1.5;
catch_finger_depth = 2.5;
+prop_recess_under = 0.50;
+prop_recess_slop = 0.200; // each side
+prop_end_dia = 0.5;
+prop_main_th = 3;
+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 = 0.35; // one side only
+prop_prop_gap = 0.5;
+prop_prong_heel_slope = 0.5;
+
// ---------- calculated ----------
phone_width = (phone + bumper*2)[0];
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_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] ];
hex23 = hex22 + hingescrew_portion_len
- hingescrew_nut_thick; // bodge, need to divvy this up more sensibly
hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap;
-echo(hex20, hex21, hex22, hex23, hex24);
-echo(hingescrew_portion_len);
+//echo(hex20, hex21, hex22, hex23, hex24);
+//echo(hingescrew_portion_len);
// catch
cppV[1] - (catch_finger_height - cp_rQ) ];
cppF = [ cppV[0] + catch_finger_depth, cppC[1] ];
+// 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];
+
+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 ----------
module KeeperProfile(slant=0){
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 + atan(prop_caserecess_taper);
+
+ 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 + [1,0] *
+ (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(prpp5,1);
+
+ if (!cut) {
+ hull(){
+ translate(prpp8)
+ intersection(){
+ circle(prp_r8);
+ rectfromto([-20,-0], [20,20]);
+ }
+ rectfromto(prpp6, prpp9);
+ translate(prpp5) intersection(){
+ circle(prp_r5);
+ rectfromto([-10,-10], [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);
+ }
}
}
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
intersection(){
Case();
module TestFrameLidPrint(){ ////toplevel
rotate([0,180,0]) intersection(){
Lid();
- TestSelectFrame();
+ TestSelectLidFrame();
}
}
module DemoFrame(){ ////toplevel
color("red") TestFrameCase();
- color("blue") intersection(){ Lid(); TestSelectFrame(); }
+ color("blue") intersection(){ Lid(); TestSelectLidFrame(); }
color("black") HingeScrews();
%HingeLever();
}
module DemoHingedFrame(){ ///toplevel
color("red") TestFrameCase();
translate([0,0, -2*hp_k])
- color("blue") intersection(){ Lid(); TestSelectFrame(); }
+ color("blue") intersection(){ Lid(); TestSelectLidFrame(); }
Flip_hinge(){
color("orange") HingeLever();
color("blue") CatchCatchProfile();
color("red") difference(){ EdgeProfile(); CatchCutProfile(); }
}
+
+ translate([40,-30]) {
+ difference(){
+ %LidEdgeProfile();
+ //translate(prlp10)
+ //PropProfile(10, 1);
+ }
+ translate(prlp10)
+ PropProfile(15, 0);
+ }
}
//EdgeProfile();
//LidEdgeProfile();
//KeeperProfile();
//DemoProfiles();
+//PropRecess();
~ianmdlvl / reprap-play.git / blobdiff