X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=fairphone-case.scad;h=238abba51865f76367ccbe737b284ce737b53890;hp=5cd591e09fd9aec157e427b4037b50613d66615b;hb=555e3de4e88b79d27ad06f6c0476a0726110d322;hpb=15c68d0b71f9d428bdebc15c7d5be6252ca2ada2 diff --git a/fairphone-case.scad b/fairphone-case.scad index 5cd591e..238abba 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -1,7 +1,10 @@ // -*- C -*- -phone_height = 146.5 - .80; -phone_width = 76.75 - .50; +phone = [ 75.0, 145.0 ]; + +bumper = [ 0.250, 0.250 ]; +// ^ One side. Overall size is increased by twice this. +// If no bumpers, is the gap around the phone. phone_cnr_rad = 6.0; @@ -12,8 +15,13 @@ phone_total_thick = 12.0; phone_backside_slope_inner = 1.5; // larger means shallower phone_backside_slope_outer = 1.0; // larger means shallower -camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner -camera_pos_br = [ 22.85,37.85]; // tl/br as seen from back +camera_pos_tl = [ 6.450, 12.750 ]; // measured from tl corner +camera_pos_br = [ 22.300, 37.600 ]; // tl/br as seen from back + +jack_pos = [ 13.92, 7.96 ]; +jack_dia = 9.1 + .5; // some jack I had lying around + +noisecancelmic_pos = [ 19.54, 7.37 ]; // from rhs case_th_bottom = 2.5; case_th_lid = 2.5; @@ -45,10 +53,21 @@ lid_lip = 1.75; $fa = 5; $fs = 0.1; -button_l_fudge = 4.5; +button_l_fudge = 4.4; +buttonishleg_default_l_is_fudge = 10; + +strut_min_at_end = 1.5; // ---------- calculated ---------- +phone_width = (phone + bumper*2)[0]; +phone_height = (phone + bumper*2)[1]; + +inside_br = [phone_width, -phone_height]; + +//echo(camera_pos_tl + bumper, +// camera_pos_br + bumper); + // ----- could be changed ----- lid_buttoncover_gap = lid_gap_x; lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top; @@ -81,8 +100,6 @@ lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]); lpp12 = [ epp4[0] + lp_r12, lpp11[1] ]; lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ]; -echo(lpp13 - lpp10); - // button profile bppM = epp4 + [0,5]; bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ]; @@ -148,51 +165,55 @@ module ButtonCoverProfile(){ } module ButtonPlan(l, deep, cut){ - bigger = - (deep ? lid_buttoncover_overlap : 0) + - (cut ? 0 : -lid_buttoncover_gap); - - d_D1_y = + epsilon = (cut ? 0 : lid_buttoncover_gap); + delta = + (deep ? lid_buttoncover_overlap : 0); + C = [0,0]; // by definition T = [ 0, epp4[1] ]; G = T + [0,10]; + B0 = C + [0,-1] * button_cutout_depth; + B1 = B0 + [0,1] * epsilon; + r0 = 0.5 * (T[1] - B0[1]); A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ]; - r1 = r0 + bigger; - // | D1 - A | = r1 * 2 - // D1_y = T_y - r1 + d_D1_y - // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2 - // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ] - D1 = [ A[0] - sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ), - T[1] - r1 + d_D1_y ]; - E1 = 0.5 * (D1 + A); - F1 = D1 + [0,10]; + H = A + [0,-1] * delta; + + D = A + [-2,0] * r0; + F = D + [0,10]; + + E0 = 0.5 * (D + A); + E1 = E0 + [1,0] * epsilon; + + I0 = [ E0[0], H[1] ]; + I1 = [ E1[0], H[1] ]; hull(){ for (m=[0,1]) mirror([m,0]) - circleat(A, r1); + circleat(H, r0 - epsilon); } for (m=[0,1]) mirror([m,0]) { difference(){ polygon([ E1, - A, - B0, + I1, + H, + B1, G, - F1, - D1 + F, + D ]); - circleat(D1, r1); + circleat(D, r0 + epsilon); } } } module CaseBase_rhsflip(yn=[0,1]) { - for (rhs=yn) { + for ($rhsflip=yn) { translate([phone_width/2, 0, 0]) - mirror([rhs,0,0]) + mirror([$rhsflip,0,0]) translate([-phone_width/2, 0, 0]) children(); } @@ -245,18 +266,58 @@ module AroundEdges(fill_zstart, fill_th, fill_downwards=0){ [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad); } -module Struts(z_min, th){ +module CaseAperture(pos, dia, $fn) { + theta = 180/$fn; + translate([ pos[0] + bumper[0], + -epp2i[0], + -pos[1] ]) + rotate([-90, theta, 0]) + cylinder(r = dia/2 / cos(theta), + h = 60); +} + +module SideButton(y, y_ref_sign, l){ + // y_ref_sign: + // +1 measured from top of actual phone to top of button + // -1 measured from bottom of actual phone to bottom of button + // 0 y is centre of button in coordinate system + $button_l= 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); + translate([0, eff_y, 0]) + children(); +} + +module LidButtonishLeg(y, y_ref_sign, l=buttonishleg_default_l_is_fudge) { + $button_leg_only = true; + SideButton(y, y_ref_sign, l) children(); +} + +module Buttons(){ + CaseBase_rhsflip([1]) SideButton(15.580, +1, 8.9) children(); // power + CaseBase_rhsflip([1]) SideButton(48.700, -1, 8.920) children(); // camera + CaseBase_rhsflip([0]) SideButton(30.800, +1, 21.96) children(); // volume + CaseBase_rhsflip( ) LidButtonishLeg(20, -1) children(); +// CaseBase_rhsflip([0]) LidButtonishLeg(20, +1, 20) children(); +} + +module Struts(x_start, z_min, th){ + // if th is negative, starts at z_min and works towards -ve z + // and object should then be printed other way up for (i= [1 : 1 : case_struts_count]) { translate([0, 0, z_min]) + mirror([0,0, th<0 ? 1 : 0]) translate([0, - -phone_height * i / (case_struts_count+1), - case_struts_solid_below]) - linear_extrude(height= th + -phone_height * i / (case_struts_count+1), + case_struts_solid_below]) + linear_extrude(height= abs(th) -(case_struts_solid_below+case_struts_solid_above)) - rectfromto([ epp2i[0], -0.5 * case_struts_width ], - [ phone_width - epp2i[0], +0.5 * case_struts_width ]); + rectfromto([ x_start, -0.5 * case_struts_width ], + [ phone_width - x_start, +0.5 * case_struts_width ]); } } @@ -302,16 +363,57 @@ module Case(){ ////toplevel mirror([0, 0, 1]) linear_extrude(height = 20) mirror([0, 1, 0]) + translate(bumper) rectfromto(camera_pos_tl, camera_pos_br); // struts (invisible, because they're buried in the case) - Struts(epp2i[1] - case_th_bottom, case_th_bottom); + Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom); + + Buttons(){ + mirror([1,0,0]) + rotate([90,0,90]) { + intersection(){ + translate([0,0,-10]) + linear_extrude(height= 20) + ButtonPlan($button_l, 0,1); + if ($button_leg_only) + rotate([-90,90,0]) + translate([phone_width/2, -400, kppe[1]]) + mirror([$rhsflip,0,0]) cube([400, 800, 50]); + } + translate([0,0, -bppR[0]]) + linear_extrude(height= 20) + ButtonPlan($button_l, 1,1); + } + } + + // apertures along top edge + CaseAperture(jack_pos, jack_dia, 8); } } module Lid(){ ////toplevel - AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0) - LidEdgeProfile(); + difference(){ + union(){ + AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0) + LidEdgeProfile(); + + // button covers + Buttons(){ + intersection(){ + rotate([90,0,90]) + translate([0,0,-10]) + linear_extrude(height= 20) + ButtonPlan($button_l, 1,0); + rotate([90,0,0]) + translate([0,0,-100]) + linear_extrude(height= 200) + ButtonCoverProfile(); + } + } + } + Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid); + } } module TestLength(){ ////toplevel @@ -322,37 +424,58 @@ module TestLength(){ ////toplevel } } +module TestSelectWidth(){ + translate([-30, -(phone_height - 25), -20]) + mirror([0, 1, 0]) + cube([200, 50, 40]); +} + module TestWidth(){ ////toplevel intersection(){ Case(); - translate([-30, -(phone_height - 25), -20]) - mirror([0, 1, 0]) - cube([200, 50, 40]); + TestSelectWidth(); } } module TestLidWidthPrint(){ ////toplevel - rotate([0,180.0]) - intersection(){ - Lid(); - translate([-30, -(phone_height - 25), -20]) - mirror([0, 1, 0]) - cube([200, 50, 40]); - } + rotate([0,180.0]) intersection(){ + Lid(); + TestSelectWidth(); + } +} + +module TestSelectCamera(){ + CaseBase_rhsflip(1) + translate([0,0,-25]) + linear_extrude(height = 50) + mirror([0, 1, 0]) + rectfromto([-20, -20], + camera_pos_br + bumper + [ 5, 5 ]); } module TestCamera(){ ////toplevel intersection(){ Case(); - CaseBase_rhsflip(1) - translate([0,0,-25]) - linear_extrude(height = 50) - mirror([0, 1, 0]) - rectfromto([-20, -20], - camera_pos_br + [ 5, 5 ]); + TestSelectCamera(); } } +module TestLidByCamera(){ ////toplevel + intersection(){ + Lid(); + TestSelectCamera(); + } +} + +module TestLidByCameraPrint(){ ////toplevel + rotate([180,0,0]) TestLidByCamera(); +} + +module DemoByCamera(){ ////toplevel + color("blue") TestLidByCamera(); + color("red") TestCamera(); +} + module OneKeeper(){ ////toplevel translate([0, -phone_cnr_rad, 0]) rotate([90, 0, 0]) @@ -365,14 +488,46 @@ module OneKeeperPrint(){ ////toplevel OneKeeper(); } +module LidPrint(){ ////toplevel + rotate([0,180,0]) + Lid(); +} + +module TestSelectFrame(){ + include = [1,-1] * (epp2i[0] + 4); + + difference(){ + cube(1000, center=true); + translate([0,0, -100]) + linear_extrude(height=200) + rectfromto(include, inside_br - include); + } +} + +module TestFrameCase(){ ////toplevel + intersection(){ + Case(); + union(){ + TestSelectFrame(); + TestSelectCamera(); + } + } +} + +module TestFrameLidPrint(){ ////toplevel + rotate([0,0,180]) intersection(){ + Lid(); + TestSelectFrame(); + } +} + module Keeper(){ ////toplevel CaseBase_rhsflip() OneKeeper(); } -module ButtonPlanForDemo(colour, z, deep, cut){ - color(colour) - translate([0,0,z]) +module ButtonPlanForDemo(z, deep, cut){ + translate([0,0,z]) ButtonPlan(8, deep, cut); } @@ -396,9 +551,9 @@ module DemoProfiles(){ ////toplevel } translate([-20,0]) { - ButtonPlanForDemo("grey", -1, 0,1); - ButtonPlanForDemo("blue", -2, 1,0); - ButtonPlanForDemo("red", -3, 1,1); + color("black") ButtonPlanForDemo(-2, 0,1); + color("red" ) ButtonPlanForDemo(-4, 1,1); + color("blue") ButtonPlanForDemo(-6, 1,0); } }