X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=fairphone-case.scad;h=ea8207e48131d06037b39d88fb29ac1875d013fd;hp=ff29be79a9349bdf2f218435767ea47facbb4188;hb=fcf81b2e44a44a2d818c4782ddee1ce10d2c0c2f;hpb=d4c1cea9e5f126dfa75434af5d04d179f397f972 diff --git a/fairphone-case.scad b/fairphone-case.scad index ff29be7..ea8207e 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -1,8 +1,10 @@ // -*- C -*- +include + phone = [ 75.0, 145.0 ]; -bumper = [ 0.250, 0.250 ]; +bumper = [ 0.250, -0.025 ]; // ^ One side. Overall size is increased by twice this. // If no bumpers, is the gap around the phone. @@ -24,6 +26,8 @@ jack_dia = 9.1 + .5; // some jack I had lying around noisecancelmic_pos = [ 19.54, 7.37 ]; // from rhs noisecancelmic_dia = 1.75; +fingerpushhole_dias = [ 14, 17 ]; + rearspeaker_pos_bl = [ 14.92, 18.72 ]; rearspeaker_size = [ 3.76, 7.36 ]; @@ -54,6 +58,17 @@ lid_gap_x = 0.25; lid_gap_z = 0.25; lid_lip = 1.75; +foldover_gap = 0.50; +foldover_lever_gap = 0.50; + +hingescrew_shaft_dia = 2.0 + 0.25; // M2 x 12mm machine screw +hingescrew_shaft_len = 12; +hingescrew_nut_thick = 1.93 + 0.20; // incl. washer +hingescrew_nut_dia = 4.72 + 0.50; // washer, actually +hingescrew_head_th = 1.38 + 0.75; +lever_cover_th = 0.75; +hingemount_th = 2.5; + $fa = 5; $fs = 0.1; @@ -62,6 +77,11 @@ buttonishleg_default_l_is_fudge = 10; strut_min_at_end = 1.5; +hinge_x_gap = 0.125; +hinge_x_postscrew_gap = 0.75; +hinge_x_arms_gap = 0.35; +hinge_r_arms_gap = 0.55; + rearspeaker_gap = [ 1.0, 1.0 ]; // each side // ---------- calculated ---------- @@ -118,17 +138,35 @@ bppL = lpp10 + [5,0]; bppK = [ bppL[0], bppN[1] ]; bppJ = [ bppN[0], bppL[1] ]; -module rectfromto(a,b) { - ab = b - a; - translate([min(a[0], b[0]), min(a[1], b[1])]) - square([abs(ab[0]), abs(ab[1])]); -} -module circleat(c,r) { translate(c) circle(r); } -module linextr(z0,z1) { - translate([0,0,z0]) - linear_extrude(height=z1-z0) - children(); -} +// hinge plan +hp_rn = hingescrew_nut_dia/2; +hp_r2 = hp_rn + lever_cover_th; +hp_rs = hingescrew_shaft_dia/2; +hp_r1 = hp_rs + hingemount_th; + +hppU = lpp13; +hppS = epp2o + [0,-1] * case_th_bottom; +hp_k = 0.5 * (hppU[1] - hppS[1] + foldover_gap); + +hppM = [ epp4[0] - foldover_lever_gap - hp_r2, + 0.5 * (hppU + hppS)[1] ]; +hppT = hppM + 0.5 * [0,+1] * hp_k; +hppB = hppM + 0.5 * [0,-1] * hp_k; + +// hinge elevation x coords + +hingescrew_portion_len = + 0.5* (hingescrew_shaft_len - hingescrew_nut_thick - hinge_x_gap); + +hex20 = max(epp2o[0], + phone_cnr_rad, + kppd[0] + hingescrew_head_th + keeper_gap_x_holes); +hex21 = hex20 + hingescrew_portion_len; +hex22 = hex21 - hinge_x_gap; +hex23 = hex22 + hingescrew_portion_len; +hex24 = hex23 + hinge_x_postscrew_gap; + +// ---------- modules ---------- module KeeperProfile(slant=0){ use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope; @@ -221,7 +259,7 @@ module ButtonPlan(l, deep, cut){ } } -module CaseBase_rhsflip(yn=[0,1]) { +module Flip_rhs(yn=[0,1]) { for ($rhsflip=yn) { translate([phone_width/2, 0, 0]) mirror([$rhsflip,0,0]) @@ -230,7 +268,7 @@ module CaseBase_rhsflip(yn=[0,1]) { } } -module CaseBase_botflip(yn=[0,1]) { +module Flip_bot(yn=[0,1]) { for ($botflip=yn) { translate([0, -phone_height/2, 0]) mirror([0, $botflip, 0]) @@ -241,14 +279,14 @@ module CaseBase_botflip(yn=[0,1]) { module AroundEdges(fill_zstart, fill_th, fill_downwards=0){ // sides - CaseBase_rhsflip(){ + Flip_rhs(){ translate([0, -phone_cnr_rad, 0]) rotate([90,0,0]) linear_extrude(height = phone_height - phone_cnr_rad*2) children(0); } // corners - CaseBase_rhsflip() CaseBase_botflip() { + Flip_rhs() Flip_bot() { translate([+1,-1] * phone_cnr_rad) intersection(){ rotate_extrude() @@ -263,7 +301,7 @@ module AroundEdges(fill_zstart, fill_th, fill_downwards=0){ } } // top and bottom - CaseBase_botflip(){ + Flip_bot(){ translate([ phone_width - phone_cnr_rad, 0,0 ]) rotate([90,0,-90]) linear_extrude(height = phone_width - phone_cnr_rad*2) @@ -296,7 +334,7 @@ module SideButton(y, y_ref_sign, l){ eff_y = y_ref_sign > 0 ? -bumper [1] -y -l/2 : y_ref_sign < 0 ? (-phone -bumper)[1] +y +l/2 : y; - echo(eff_y); + //echo(eff_y); translate([0, eff_y, 0]) children(); } @@ -307,11 +345,11 @@ module LidButtonishLeg(y, y_ref_sign, l=buttonishleg_default_l_is_fudge) { } module Buttons(){ - CaseBase_rhsflip([1]) SideButton(15.580, +1, 8.9) children(); // power - CaseBase_rhsflip([1]) SideButton(48.700, -1, 8.920) children(); // camera - CaseBase_rhsflip([0]) SideButton(30.800, +1, 21.96) children(); // volume - CaseBase_rhsflip( ) LidButtonishLeg(20, -1) children(); -// CaseBase_rhsflip([0]) LidButtonishLeg(20, +1, 20) children(); + Flip_rhs(1) SideButton(15.580, +1, 8.9) children(); // power + Flip_rhs(1) SideButton(48.700, -1, 8.920) children(); // camera + Flip_rhs(0) SideButton(30.800, +1, 21.96) children(); // volume + Flip_rhs( ) LidButtonishLeg(20, -1) children(); +// Flip_rhs(0) LidButtonishLeg(20, +1, 20) children(); } module Struts(x_start, z_min, th){ @@ -333,7 +371,7 @@ module Struts(x_start, z_min, th){ } module OrdinaryRearAperture(rhs,bot, pos){ - CaseBase_rhsflip(rhs) CaseBase_botflip(bot) + Flip_rhs(rhs) Flip_bot(bot) linextr(-20, 20) mirror([0,1]) translate(pos + bumper) @@ -345,10 +383,16 @@ module OrdinaryRearApertures(){ OrdinaryRearAperture(1,1, rearspeaker_pos_bl) rectfromto(-rearspeaker_gap, rearspeaker_size + rearspeaker_gap); + + // finger hole to remove phone + OrdinaryRearAperture(1,0, [ fingerpushhole_dias[0]/2 + epp2i[0], + phone[1]/2 ]) + scale(fingerpushhole_dias) + circle(r= 0.5 ); } module RearCameraAperture(){ - CaseBase_rhsflip([1]) + Flip_rhs(1) mirror([0, 0, 1]) linear_extrude(height = 20) mirror([0, 1, 0]) @@ -356,6 +400,54 @@ module RearCameraAperture(){ rectfromto(camera_pos_tl, camera_pos_br); } +module HingeLidProfile(){ + hull(){ + circleat(hppT, hp_r1); + circleat(lpp12, lp_r12); + polygon([lpp10, + lpp13 + [2,0], + lpp12, + hppT]); + } +} + +module HingeBaseProfile(){ + difference(){ + hull(){ + circleat(hppB, hp_r1); + circleat(epp2o, case_th_bottom); + circleat(hppB + [10,0], hp_r1); + } + polygon([epp5, epp1, epp2i, epp3, bppL]); + } +} + +module HingeLeverOuterProfile(){ + hull(){ + circleat(hppT, hp_r2); + circleat(hppB, hp_r2); + } +} + +module HingeLeverInnerProfile(){ + for (c = [hppT, hppB]) { + hull() + for (x=[0,20]) + translate([x,0]) + circleat(c, hp_rn); + circleat(hppB, hp_rn); + } +} + +module HingePortion(x0,x1){ + Flip_rhs() Flip_bot(1) + translate([x0,0,0]) + mirror([1,0,0]) + rotate([90,0,-90]) + linear_extrude(height=x1-x0) + children(0); +} + module CaseBase(){ AroundEdges(epp3[1], case_th_bottom, 1) EdgeProfile(); @@ -376,14 +468,17 @@ module Case(){ ////toplevel translate([0,0, -25]) linear_extrude(height = 50) hull() - // CaseBase_rhsflip() // actually, we only care about the LH - CaseBase_botflip() + // Flip_rhs() // actually, we only care about the LH + Flip_bot() circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2); } + + // hinge + HingePortion(hex20, hex21) HingeBaseProfile(); } // slot for keeper - CaseBase_rhsflip(1) + Flip_rhs(1) translate([0, -phone_cnr_rad, 0]) rotate([90, 0, 0]) linear_extrude(height = phone_height + phone_cnr_rad * 2) @@ -419,10 +514,18 @@ module Case(){ ////toplevel // apertures along top edge CaseAperture(jack_pos, jack_dia, 8); - CaseBase_rhsflip([1]) + Flip_rhs(1) CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20); OrdinaryRearApertures(); + + // gaps for the lid's hinge arms + HingePortion(hex20 - hinge_x_arms_gap, + hex21 + hinge_x_arms_gap) + minkowski(){ + HingeLidProfile(); + circle(r= hinge_r_arms_gap, $fn= 8); + } } } @@ -445,16 +548,31 @@ module Lid(){ ////toplevel ButtonCoverProfile(); } } + + // hinge arms + HingePortion(hex20, hex21) HingeLidProfile(); } Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid); } } +module TestSelectLength(){ + translate([-30, -200, -20]) + cube([30 + 15, 250, 40]); +} + module TestLength(){ ////toplevel intersection(){ Case(); - translate([-30, -200, -20]) - cube([30 + 15, 250, 40]); + TestSelectLength(); + } +} + +module TestLengthRight(){ ////toplevel + intersection(){ + Case(); + Flip_rhs(1) + TestSelectLength(); } } @@ -569,7 +687,7 @@ module TestFrameLidPrint(){ ////toplevel } module Keeper(){ ////toplevel - CaseBase_rhsflip() + Flip_rhs() OneKeeper(); } @@ -578,6 +696,11 @@ module ButtonPlanForDemo(z, deep, cut){ ButtonPlan(8, deep, cut); } +module DemoFrame(){ ////toplevel + color("red") TestFrameCase(); + color("blue") intersection(){ Lid(); TestSelectFrame(); } +} + module DemoProfiles(){ ////toplevel LidEdgeProfile(); %EdgeProfile(); @@ -602,6 +725,15 @@ module DemoProfiles(){ ////toplevel color("red" ) ButtonPlanForDemo(-4, 1,1); color("blue") ButtonPlanForDemo(-6, 1,0); } + + translate([0, -30]) { + %LidEdgeProfile(); + %EdgeProfile(); + color("blue") HingeLidProfile(); + color("red") HingeBaseProfile(); + color("black") translate([0,0,-2]) HingeLeverOuterProfile(); + color("orange") translate([0,0,-1]) HingeLeverInnerProfile(); + } } //EdgeProfile();