X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=fairphone-case.scad;h=678ea67cea016a48739b4046521647cdbf232690;hp=ba9c52ca33935082323eab17b74c3f0e64f415ef;hb=bc23a479fc9ffbaff4d5303288492078fcf393c2;hpb=038b5b49d587df75c04309163044085ab0b1aca2;ds=inline diff --git a/fairphone-case.scad b/fairphone-case.scad index ba9c52c..678ea67 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -14,7 +14,18 @@ bumper = [ 0.250, -0.025 ]; enable_support = 1; +led_window_style = 3; +// 0: no window +// 1: simply an opening +// 2: opening with separate cover model, for printing in clear (two colour) +// 3: like 2 but one-layer window for ad-hoc multi-colour + +initial_layer_thick = 0.400; // ^ needed for mode 3 only +initial_layer_width = 0.750; // ^ needed for mode 3 only +multicolour_gap = 0.15; // each side + phone_cnr_rad = 6.0; +phone_rim_depth = 0.80; // includes allowance for a screen protector button_cutout_depth = 9; @@ -29,6 +40,10 @@ camera_pos_br = [ 22.300, 37.600 ]; // tl/br as seen from back jack_pos = [ 13.83, 8.485 ]; jack_dia = 10.64 + .5; // some jack I had lying around +led_pos = [ 13.98, 10.00 ]; +led_aperture = 9; +led_window_ledge = 0.75; // each side + noisecancelmic_pos = [ 19.54, 7.37 ]; // from rhs noisecancelmic_dia = 4.00; @@ -43,10 +58,12 @@ microusb_below = 0.0; microusb_width = 16.12 + 1.25; case_th_bottom = 2.5; -case_th_lid = 2.5; +case_th_lid = 3.0; case_th_side = 2; case_th_lip = 1.2; +lid_screen_gap_extra = .66; + case_struts_count = 6; case_struts_solid_below = 1.00; case_struts_solid_above = 0.75; @@ -76,23 +93,26 @@ catch_slop = 0.50; foldover_gap = 0.50; foldover_lever_gap = 0.50; +// properties of the hinge fasteners 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_fasteners_extra_thick = 0.40; +// ^ amount of thread protruding if everything was completely nominal +// and we are using two nuts hingescrew_nut_access_dia = 4.72 + 0.50; // ^ washer is 4.72 dia // also, want to get pliers or tiny spanner in to do up locknut hingescrew_nut_across = 3.92 + 0.25; // incl. slop around recess slop -hingescrew_nut_thick_real = 1.93; +hingescrew_nut_thick = 1.93; hingescrew_head_th = 1.38 + 0.75; hingescrew_head_dia = 3.92; + +hingescrew_nut_recess_portion = 2/3; // portion of nut in recess + lever_cover_th = 0.75; hingemount_th = 2.5; hingemount_wd = 4.8725; -hingescrew_nut_recess_portion = 2/3; // portion of nut in recess - $fa = 5; $fs = 0.1; @@ -179,7 +199,20 @@ kppa = [ kppb[0], kppf[1] ]; lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ]; lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ]; -lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]); +lpp14 = lpp10 + [1,0] * keeper_inner_width; +// exact x posn not very important; must extend past end of keeper + +lpp15 = [ lpp14[0], + epp0[1] - phone_rim_depth + 1/2.5 * case_th_lid + + lid_screen_gap_extra ]; +// ^ beam theory says to maximise force before contact, +// the gap below the `beam' (the lid) must be 1/3 +// the thickness (ie the lid thickness) if the beam +// is solid, or 1/2 if it has a top and bottom only. +// ours is mostly solid. + +lp_r12 = max(case_th_lid - (lpp11[1] - lpp15[1]), + case_th_lip); lpp12 = [ epp4[0] + lp_r12, lpp11[1] ]; lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ]; @@ -201,6 +234,16 @@ bppU = [ bppJ[0], lpp12[1] ]; bppV = lpp11; bppW = lpp10; +// notification led aperture + +nla_r0 = led_aperture/2; +nla_r1 = nla_r0 + led_window_ledge; +nla_r2 = nla_r1 + multicolour_gap; +nla_t = + led_window_style >= 3 ? initial_layer_thick : + led_window_style >= 2 ? led_window_ledge : 0; + + // hinge plan hp_rn = hingescrew_nut_access_dia/2; hp_r2_min = hp_rn + lever_cover_th; @@ -225,9 +268,6 @@ 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); @@ -235,9 +275,9 @@ hex21 = hex20 + hingemount_wd; hex22 = hex21 + hinge_x_gap; hex27 = hex20 + hingescrew_shaft_len; hex24 = hex27 + hinge_x_postscrew_gap; -hex23 = hex27 - (hingescrew_nut_thick_real*2 +hex23 = hex27 - (hingescrew_nut_thick*2 + hingescrew_fasteners_extra_thick); -hex26 = hex23 + hingescrew_nut_thick_real * 2/3; +hex26 = hex23 + hingescrew_nut_thick * 2/3; echo(hex20, hex21, hex22, hex23, hex24); // 6, 10.8725, 10.9975, 13.74, 18.75 @@ -250,7 +290,6 @@ chk(hex21, 10.8725); chk(hex22, 10.9975); chk(hex23, 13.74); chk(hex24, 18.75); -//echo(hingescrew_portion_len); // catch @@ -308,6 +347,26 @@ $prp_r10 = prl_r10; // ---------- modules ---------- +module AdhocMultiprintFrame(phase, z0, zs) { + // from z0 to z0 + zs*layer + extra = phase * (initial_layer_width + multicolour_gap) + 5; + xextra = extra + -epp4[0]; + xrange = [ 0, phone_width ] + [-1,+1] * xextra; + yextra = extra + -epp4[0]; + yrange = [ -phone_height + +hppB[0] - hp_r2, 0 ] + [-1,+1] * yextra; + p0 = [ xrange[0], yrange[0] ]; + p1 = [ xrange[1], yrange[1] ]; + echo(p0, p1); + translate([0,0, z0]) + mirror([0,0, zs<0 ? 1 : 0]) + linear_extrude(height= initial_layer_thick) + difference(){ + rectfromto(p0 - [1,1] * initial_layer_width, + p1 + [1,1] * initial_layer_width); + rectfromto(p0, p1); + } +} + module KeeperProfile(slant=0){ use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope; polygon([use_e, kppd, kppc, kppb, kppa, kppf]); @@ -334,7 +393,9 @@ module LidEdgeProfile(){ lpp12, lpp13, lpp13 + [10, 0], - lpp10 + [10, 0] + lpp15 + [10, 0], + lpp15, + lpp14, ]); intersection(){ circleat(lpp12, r=lp_r12); @@ -346,7 +407,8 @@ module LidEdgeProfile(){ module ButtonCoverProfile(){ intersection(){ polygon(concat([ bppM, bppP, bppO, bppJ ], - (enable_support ? [ bppU, bppV, bppW ] : []), + (enable_support && !$button_suppress_over_keeper + ? [ bppU, bppV, bppW ] : []), [ bppL, bppK ])); hull(){ EdgeProfile(); @@ -492,12 +554,13 @@ module CaseAperture(pos, dia, $fn) { h = 60); } -module SideButton(y, y_ref_sign, l){ +module SideButton(y, y_ref_sign, l, suppress_over_keeper=0){ // 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; + $button_suppress_over_keeper= suppress_over_keeper; eff_y = y_ref_sign > 0 ? -bumper [1] -y -l/2 : y_ref_sign < 0 ? (-phone -bumper)[1] +y +l/2 : y; @@ -512,9 +575,9 @@ module LidButtonishLeg(y, y_ref_sign, l=buttonishleg_default_l_is_fudge) { } module Buttons(){ - Flip_rhs(1) SideButton(15.580, +1, 8.9) children(); // power - Flip_rhs(1) SideButton(48.700, -1, 8.920) children(); // camera - Flip_rhs(0) SideButton(30.800, +1, 21.96) children(); // volume + Flip_rhs(1) SideButton(15.580, +1, 8.9 ) children(); // power + Flip_rhs(1) SideButton(48.700, -1, 8.920 ) children(); // camera + Flip_rhs(0) SideButton(30.800, +1, 21.96, 1) children(); // volume Flip_rhs( ) LidButtonishLeg(14, -1) children(); // Flip_rhs(0) LidButtonishLeg(20, +1, 20) children(); } @@ -818,7 +881,7 @@ module Case(){ ////toplevel translate([phone_width/2, -400, kppe[1]]) mirror([1-abs($rhsflip - keeper_side),0,0]) cube([400, 800, 50]); - if (enable_support) + if (enable_support && !$button_suppress_over_keeper) rotate([-90,90,0]) translate([-400, -400, kppd[1]]) mirror([0,0,1]) @@ -869,6 +932,12 @@ module Case(){ ////toplevel } } +module LidAdhocMultiprintFrame(phase){ + if (led_window_style >= 3) { + AdhocMultiprintFrame(phase, lpp13[1], -1); + } +} + module Lid(){ ////toplevel difference(){ union(){ @@ -909,7 +978,20 @@ module Lid(){ ////toplevel hull() for (pa = prop_angles) PropProfile(pa, 1,1); - } + + // notification led aperture + if (led_window_style) + translate([led_pos[0], -led_pos[1], lpp13[1]]) { + translate([0,0,-10]) + cylinder(r=nla_r0, h=20); + if (led_window_style >= 2) + translate([0,0, -nla_t]) + cylinder(r=nla_r2, height=20); + } + + } + + LidAdhocMultiprintFrame(1); } module HingeLever(){ ////toplevel @@ -935,6 +1017,33 @@ module HingeLever(){ ////toplevel } } +module LidWindow(){ ////toplevel + translate([led_pos[0], -led_pos[1], lpp13[1]]) + mirror([0,0,1]) + cylinder(r= nla_r1, h=nla_t); + LidAdhocMultiprintFrame(0); +} + +module LidWindowPrint(){ ////toplevel + rotate([0,180,0]) + LidWindow(); +} + +module DemoLidWindowSelect(){ + translate([led_pos[0], led_pos[1], -100]) { + translate([0, -30, 0]) cube([400, 400, 200]); + } +} + +module DemoLidWindow(){ ////toplevel + %Lid(); + LidWindow(); + translate([0,40,0]){ + color("blue") intersection(){ Lid(); DemoLidWindowSelect(); } + color("red") intersection(){ LidWindow(); DemoLidWindowSelect(); } + } +} + module HingeLeverPrint(){ ////toplevel rotate([-90,0,0]) translate([-phone_width/2, phone_height, 0]) @@ -1055,6 +1164,8 @@ module TestSelectFrame(){ module TestSelectLidFrame(){ TestSelectFrame(); + translate([led_pos[0], -led_pos[1], -50]) + cylinder(r= nla_r2+3, h=100); } module TestFrameCase(){ ////toplevel @@ -1068,12 +1179,33 @@ module TestFrameCase(){ ////toplevel } } +module TestSelectTopApertures(){ + translate([-100, -35, -100]) + cube([400, 100, 200]); + LidAdhocMultiprintFrame(0); + LidAdhocMultiprintFrame(1); +} + module TestTopApertures(){ ////toplevel intersection(){ Case(); TestSelectFrame(); - translate([-100, -35, -100]) - cube([400, 100, 200]); + TestSelectTopApertures(); + } +} + +module TestLidTopAperturesPrint(){ ////toplevel + rotate([0,180,0]) intersection(){ + Lid(); + TestSelectLidFrame(); + TestSelectTopApertures(); + } +} + +module TestLidWindowTopAperturesPrint(){ ////toplevel + rotate([0,180,0]) intersection(){ + LidWindow(); + TestSelectTopApertures(); } } @@ -1148,6 +1280,17 @@ module DemoPropAngles(){ ////toplevel DemoPropAngle(prop_angles[i]); } +module DemoSelectAdhocLeftRight(right=0) { + translate([phone_width/2, -400, -100]) // , -15, -100 to cross-section + mirror([1-right, 0,0]) + cube([400, 800, 200]); +} + +module DemoLeft(){ ////toplevel + color("red") intersection(){ Case(); DemoSelectAdhocLeftRight(); } + color("blue") intersection(){ Lid(); DemoSelectAdhocLeftRight(); } +} + module DemoFrame(){ ////toplevel color("red") TestFrameCase(); color("blue") intersection(){ Lid(); TestSelectLidFrame(); }