X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=fairphone-case.scad;h=64fe13d8e308f6b13ff4ee8eb74ec15ff56713b0;hp=9cfc23a220a6a74f14f8f84d91ac762e19a44a2a;hb=3280426eef100da072284693787efb97ca2fe848;hpb=097a34991bb2eeef17efc58a6a56e35ba8c077b1 diff --git a/fairphone-case.scad b/fairphone-case.scad index 9cfc23a..64fe13d 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; @@ -58,11 +62,17 @@ lid_gap_x = 0.25; lid_gap_z = 0.25; lid_lip = 1.75; +catch_slop = 0.25; + 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; +hingescrew_head_dia = 3.92; lever_cover_th = 0.75; hingemount_th = 2.5; @@ -72,10 +82,27 @@ $fs = 0.1; button_l_fudge = 4.4; buttonishleg_default_l_is_fudge = 10; +hinge_base_slope = 1.5; // bigger is steeper + 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 +catch_len = 7.5; +catch_width = 15; +catch_thickness = 1.0; +catch_side_gap = 0.75; // each side + +catch_depth = 1.25; +catch_height = 0.35; +catch_finger_height = 1.5; +catch_finger_depth = 2.5; + // ---------- calculated ---------- phone_width = (phone + bumper*2)[0]; @@ -132,9 +159,12 @@ bppJ = [ bppN[0], bppL[1] ]; // hinge plan hp_rn = hingescrew_nut_dia/2; -hp_r2 = hp_rn + lever_cover_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; @@ -142,8 +172,48 @@ 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; +hppT = [ hppM[0], hppU[1] - hp_r1 ]; +hppB = hppT + [0,-1] * hp_k; + +hppE_y = epp2o[1] - case_th_bottom + hp_r1; +hppE_x = hppB[0] + (hppB[1] - hppE_y) * hinge_base_slope; +hppE = [ hppE_x, hppE_y ]; + +// 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); + +// catch + +cppJ = [ epp4[0] + catch_thickness, lpp10[1] ]; +cppA = cppJ + [lid_gap_x, -lid_gap_z]; +cppB = [ epp0[0], cppA[1] ]; +cppP = [ epp4[0], cppJ[1] ]; + +cppS = cppJ + [0,-1] * catch_len; +cppD = [ cppA[0], cppS[1] + catch_slop ]; +cppC = [ cppB[0], cppD[1] ]; +cppT = cppS + [1,0] * catch_depth; +cppU = cppT + [0,-1] * catch_height; +cppV = [ cppS[0], cppU[1] - catch_depth ]; + +cppR = 0.5*(cppP + cppJ); + +cp_rQ = 0.5 * (cppJ[0] - cppP[0]); +cppQ = [ cppR[0], + cppV[1] - (catch_finger_height - cp_rQ) ]; +cppF = [ cppV[0] + catch_finger_depth, cppC[1] ]; // ---------- modules ---------- @@ -238,6 +308,31 @@ module ButtonPlan(l, deep, cut){ } } +module CatchCatchProfile(){ + hull(){ + for (c=[ cppR, cppQ ]) + circleat(c, cp_rQ); + } + hull(){ + circleat(lpp12, lp_r12); + circleat(lpp12 + [5,0], lp_r12); + rectfromto(cppP, cppP + [5,0.1]); + } + polygon([cppJ, cppS, cppT, cppU, cppV, cppQ, cppR]); +} + +module CatchCutProfile(){ + polygon([ cppB, + cppA, + cppD, + cppF, + cppF + [0,-10], + cppF + [-10,-10], + lpp12 + [-10,0], + lpp12 + [10,0] + ]); +} + module Flip_rhs(yn=[0,1]) { for ($rhsflip=yn) { translate([phone_width/2, 0, 0]) @@ -313,7 +408,7 @@ 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(); } @@ -357,6 +452,17 @@ module OrdinaryRearAperture(rhs,bot, pos){ 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) @@ -394,6 +500,7 @@ module HingeBaseProfile(){ difference(){ hull(){ circleat(hppB, hp_r1); + circleat(hppE, hp_r1); circleat(epp2o, case_th_bottom); circleat(hppB + [10,0], hp_r1); } @@ -418,8 +525,28 @@ module HingeLeverInnerProfile(){ } } -module HingePortion(){ - Flip_rhs(); +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 CatchPortion(width){ + translate([phone_width/2, 0,0]) + rotate([90,0,-90]) + linextr(-width/2, width/2) + children(0); } module CaseBase(){ @@ -448,7 +575,7 @@ module Case(){ ////toplevel } // hinge - // HingePortion(hex20, hex21) HingerBaseProfile(); + HingePortion(hex20, hex21) HingeBaseProfile(); } // slot for keeper @@ -492,6 +619,23 @@ module Case(){ ////toplevel 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(); + + // catch striker + CatchPortion(catch_width + catch_side_gap*2) + CatchCutProfile(); } } @@ -514,11 +658,45 @@ module Lid(){ ////toplevel ButtonCoverProfile(); } } + + // hinge arms + HingePortion(hex20, hex21) HingeLidProfile(); + + // catch + CatchPortion(catch_width) + CatchCatchProfile(); } 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]); @@ -643,7 +821,7 @@ module TestFrameCase(){ ////toplevel } module TestFrameLidPrint(){ ////toplevel - rotate([0,0,180]) intersection(){ + rotate([0,180,0]) intersection(){ Lid(); TestSelectFrame(); } @@ -659,6 +837,47 @@ 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(); @@ -692,6 +911,14 @@ module DemoProfiles(){ ////toplevel color("black") translate([0,0,-2]) HingeLeverOuterProfile(); color("orange") translate([0,0,-1]) HingeLeverInnerProfile(); } + + translate([20,-30]) { + %EdgeProfile(); + %LidEdgeProfile(); + //translate([0,0,1]) CatchCutProfile(); + color("blue") CatchCatchProfile(); + color("red") difference(){ EdgeProfile(); CatchCutProfile(); } + } } //EdgeProfile();