X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=fairphone-case.scad;h=bcd8eb8a25757bd2416b0295c73aee733e78eae0;hp=f25c1998addeea49973f00fe2634d7dda1a864ea;hb=480edefa79bbd8ccadd5c8a8a104e5e2c1efe2a9;hpb=47b809e45cd1a93120c116e7953d9fb63029bec1 diff --git a/fairphone-case.scad b/fairphone-case.scad index f25c199..bcd8eb8 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -26,11 +26,15 @@ 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 ]; +fingerpushhole_dias = [ 15, 18 ]; -rearspeaker_pos_bl = [ 14.92, 18.72 ]; +rearspeaker_pos_bl = [ 12.64, 18.72 ]; rearspeaker_size = [ 3.76, 7.36 ]; +microusb_above = 3.27 - 0.25; +microusb_below = 0.0; +microusb_width = 16.12 + 0.25; + case_th_bottom = 2.5; case_th_lid = 2.5; case_th_side = 2; @@ -59,11 +63,15 @@ lid_gap_z = 0.25; lid_lip = 1.75; foldover_gap = 0.50; -foldover_hinger_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 -hinger_th = 2; +hingescrew_head_th = 1.38 + 0.75; +hingescrew_head_dia = 3.92; +lever_cover_th = 0.75; hingemount_th = 2.5; $fa = 5; @@ -74,6 +82,11 @@ buttonishleg_default_l_is_fudge = 10; strut_min_at_end = 1.5; +hinge_x_gap = 0.125; +hinge_x_postscrew_gap = 0.75; +hinge_x_arms_gap = 0.35; +hinge_r_arms_gap = 0.55; + rearspeaker_gap = [ 1.0, 1.0 ]; // each side // ---------- calculated ---------- @@ -132,18 +145,36 @@ bppJ = [ bppN[0], bppL[1] ]; // hinge plan hp_rn = hingescrew_nut_dia/2; -hp_r2 = hp_rn + hinger_th; +hp_r2_min = hp_rn + lever_cover_th; hp_rs = hingescrew_shaft_dia/2; -hp_r1 = hp_rs + hingemount_th; +hp_r1_min = hp_rs + hingemount_th; + +hp_r1 = max(hp_r1_min, hp_r2_min); +hp_r2 = hp_r1; hppU = lpp13; hppS = epp2o + [0,-1] * case_th_bottom; hp_k = 0.5 * (hppU[1] - hppS[1] + foldover_gap); -hppM = [ epp4[0] - foldover_hinger_gap - hp_r2, +hppM = [ epp4[0] - foldover_lever_gap - hp_r2, 0.5 * (hppU + hppS)[1] ]; -hppT = hppM + 0.5 * [0,+1] * hp_k; -hppB = hppM + 0.5 * [0,-1] * hp_k; +hppT = [ hppM[0], hppU[1] - hp_r1 ]; +hppB = hppT + [0,-1] * hp_k; + +// hinge elevation x coords + +hingescrew_portion_len = + 0.5* (hingescrew_shaft_len - hingescrew_nut_thick - hinge_x_gap); + +hex20 = max(epp2o[0], + phone_cnr_rad, + kppd[0] + hingescrew_head_th + keeper_gap_x_holes); +hex21 = hex20 + hingescrew_portion_len; +hex22 = hex21 - hinge_x_gap; +hex23 = hex22 + hingescrew_portion_len; +hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap; +echo(hex20, hex21, hex22, hex23, hex24); +echo(hingescrew_portion_len); // ---------- modules ---------- @@ -238,7 +269,7 @@ module ButtonPlan(l, deep, cut){ } } -module CaseBase_rhsflip(yn=[0,1]) { +module Flip_rhs(yn=[0,1]) { for ($rhsflip=yn) { translate([phone_width/2, 0, 0]) mirror([$rhsflip,0,0]) @@ -247,7 +278,7 @@ module CaseBase_rhsflip(yn=[0,1]) { } } -module CaseBase_botflip(yn=[0,1]) { +module Flip_bot(yn=[0,1]) { for ($botflip=yn) { translate([0, -phone_height/2, 0]) mirror([0, $botflip, 0]) @@ -258,14 +289,14 @@ 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() @@ -280,7 +311,7 @@ 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) @@ -313,7 +344,7 @@ 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(); } @@ -324,11 +355,11 @@ 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){ @@ -350,13 +381,24 @@ 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) children(); } +module MicroUSB(){ + Flip_bot(1){ + rotate([90,0,0]) + mirror([0,0,1]) + linextr(-epp2i[0], 60) + translate([0.5 * phone_width, 0, 0]) + rectfromto([-microusb_width/2, epp2i[1] + microusb_below], + [+microusb_width/2, epp0[1] + -microusb_above]); + } +} + module OrdinaryRearApertures(){ // rear speaker OrdinaryRearAperture(1,1, rearspeaker_pos_bl) @@ -371,7 +413,7 @@ module OrdinaryRearApertures(){ } module RearCameraAperture(){ - CaseBase_rhsflip([1]) + Flip_rhs(1) mirror([0, 0, 1]) linear_extrude(height = 20) mirror([0, 1, 0]) @@ -390,6 +432,51 @@ module HingeLidProfile(){ } } +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 Flip_hinge(){ + hinge_origin = [0, -(phone_height - hppB[0]), hppB[1]]; + translate(hinge_origin) + rotate([180,0,0]) + translate(-hinge_origin) + children(); +} + +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(); @@ -410,14 +497,17 @@ 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) @@ -453,10 +543,23 @@ 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(); + + MicroUSB(); + + // 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); + } + + // screw holes in the hinge arms + HingeScrews(); } } @@ -479,11 +582,41 @@ module Lid(){ ////toplevel ButtonCoverProfile(); } } + + // hinge arms + HingePortion(hex20, hex21) HingeLidProfile(); } Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid); + + // screw holes in the hinge arms + HingeScrews(); } } +module HingeLever(){ ////toplevel + difference() { + // outer body, positive + HingePortion(hex22, hex22 + phone_width/2) + HingeLeverOuterProfile(); + + // space for the screws + HingePortion(hex23, hex24) + HingeLeverInnerProfile(); + + // bores for the screws + HingeScrews(); + + // space for the charging cable + MicroUSB(); + Flip_hinge() MicroUSB(); + } +} + +module HingeLeverPrint(){ ////toplevel + rotate([90,0,0]) + HingeLever(); +} + module TestSelectLength(){ translate([-30, -200, -20]) cube([30 + 15, 250, 40]); @@ -499,7 +632,7 @@ module TestLength(){ ////toplevel module TestLengthRight(){ ////toplevel intersection(){ Case(); - CaseBase_rhsflip(1) + Flip_rhs(1) TestSelectLength(); } } @@ -608,14 +741,14 @@ module TestFrameCase(){ ////toplevel } module TestFrameLidPrint(){ ////toplevel - rotate([0,0,180]) intersection(){ + rotate([0,180,0]) intersection(){ Lid(); TestSelectFrame(); } } module Keeper(){ ////toplevel - CaseBase_rhsflip() + Flip_rhs() OneKeeper(); } @@ -624,6 +757,47 @@ module ButtonPlanForDemo(z, deep, cut){ ButtonPlan(8, deep, cut); } +module HingeScrews(){ + Flip_rhs() Flip_bot(1){ + for (c= [ hppT, hppB ]) + translate([ hex20, + -c[0], + c[1] ]){ + rotate([0,90,0]) + translate([0,0,-.2]) + cylinder( r= hingescrew_shaft_dia/2, + h = hingescrew_shaft_len+0.2 ); + rotate([0,-90,0]) + translate([0,0,+.1]) + cylinder( r= hingescrew_head_dia/2, h = hingescrew_head_th ); + } + } +} + +module DemoFrame(){ ////toplevel + color("red") TestFrameCase(); + color("blue") intersection(){ Lid(); TestSelectFrame(); } + color("black") HingeScrews(); + %HingeLever(); +} + +module DemoHingedFrame(){ ///toplevel + color("red") TestFrameCase(); + translate([0,0, -2*hp_k]) + color("blue") intersection(){ Lid(); TestSelectFrame(); } + + Flip_hinge(){ + color("orange") HingeLever(); + color("black") HingeScrews(); + } +} + +module DemoHinge(){ ////toplevel + DemoFrame(); + translate([0,0, -hp_k*3]) + DemoHingedFrame(); +} + module DemoProfiles(){ ////toplevel LidEdgeProfile(); %EdgeProfile(); @@ -653,6 +827,9 @@ module DemoProfiles(){ ////toplevel %LidEdgeProfile(); %EdgeProfile(); color("blue") HingeLidProfile(); + color("red") HingeBaseProfile(); + color("black") translate([0,0,-2]) HingeLeverOuterProfile(); + color("orange") translate([0,0,-1]) HingeLeverInnerProfile(); } }