X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=fairphone-case.scad;h=c22f1bcc27e9b42ebe9d0b70ac94a25dacdeadfa;hb=aa025aa7d75f68f7b8fb05a5f90aafae61336017;hp=2d4269f77caf4f1f292b0b597ccbe1ed7e2849fb;hpb=7770827b802f785346281246c80a71663ea58938;p=reprap-play.git diff --git a/fairphone-case.scad b/fairphone-case.scad index 2d4269f..c22f1bc 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -14,6 +14,16 @@ 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 = 0.125; // ^ needed for mode 3 only +multicolour_gap = 0.15; // each side + phone_cnr_rad = 6.0; button_cutout_depth = 9; @@ -29,6 +39,10 @@ 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 = [ 12.50, 8.00 ]; +led_aperture = 5; +led_window_ledge = 0.75; // each side + noisecancelmic_pos = [ 19.54, 7.37 ]; // from rhs noisecancelmic_dia = 4.00; @@ -43,7 +57,7 @@ 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; @@ -76,14 +90,25 @@ 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_nut_dia = 4.72 + 0.50; // washer, actually +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 = 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; $fa = 5; $fs = 0.1; @@ -193,8 +218,18 @@ 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_dia/2; +hp_rn = hingescrew_nut_access_dia/2; hp_r2_min = hp_rn + lever_cover_th; hp_rs = hingescrew_shaft_dia/2; hp_r1_min = hp_rs + hingemount_th; @@ -217,19 +252,28 @@ 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; +hex21 = hex20 + hingemount_wd; hex22 = hex21 + hinge_x_gap; -hex23 = hex22 + hingescrew_portion_len - - hingescrew_nut_thick; // bodge, need to divvy this up more sensibly -hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap; -//echo(hex20, hex21, hex22, hex23, hex24); -//echo(hingescrew_portion_len); +hex27 = hex20 + hingescrew_shaft_len; +hex24 = hex27 + hinge_x_postscrew_gap; +hex23 = hex27 - (hingescrew_nut_thick*2 + + hingescrew_fasteners_extra_thick); +hex26 = hex23 + hingescrew_nut_thick * 2/3; + +echo(hex20, hex21, hex22, hex23, hex24); +// 6, 10.8725, 10.9975, 13.74, 18.75 +module chk(act,exp) { + if (abs(act-exp) > 1e-9) echo("WRONG", act, exp); + else echo("ok", act); +} +chk(hex20, 6); +chk(hex21, 10.8725); +chk(hex22, 10.9975); +chk(hex23, 13.74); +chk(hex24, 18.75); // catch @@ -287,6 +331,26 @@ $prp_r10 = prl_r10; // ---------- modules ---------- +module AdhocMultiprintFrame(phase, z0, zs) { + // from z0 to z0 + zs*layer + extra = phase * 0.65 + 5; + xextra = extra + -epp4[0]; + xrange = [ 0, phone_width ] + [-1,+1] * xextra; + yextra = extra + -epp4[0]; + yrange = [ -phone_height + -hppB[0] + hp_r2, 0 ] + [-1,+1] * yextra; + p0 = [ xrange[0], yrange[0] ]; + p1 = [ xrange[1], yrange[1] ]; + echo(p0, p1); + translate([0,0, z0]) + mirror([0,0, zs<0 ? 1 : 0]) + linear_extrude(height= initial_layer_thick) + difference(){ + rectfromto(p0 - [1,1] * initial_layer_width, + p1 + [1,1] * initial_layer_width); + rectfromto(p0, p1); + } +} + module KeeperProfile(slant=0){ use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope; polygon([use_e, kppd, kppc, kppb, kppa, kppf]); @@ -589,19 +653,30 @@ module HingeLeverOuterProfile(){ } module HingeLeverInnerProfile(){ - for (c = [hppT, hppB]) { - hull() + for (s = [-1,+1]) { + c = s > 0 ? hppT : hppB; + translate(c) + mirror([0,0,s>0]) + rotate(s<0 ? -40 : 0) + hull() for (x=[-20,20]) - for (y=[0, c[1] - hppM[1]]) + for (y=[0, s * 10]) translate([x,y]) - circleat(c, hp_rn); + circle(hp_rn); + } +} + +module HingeLeverNutProfile(){ + for (c= [hppB, hppT]) { + translate(c) + circle($fn=6, r= 0.5 * hingescrew_nut_across / cos(30)); } } -module Flip_hinge(){ +module Flip_hinge(doflip=1){ hinge_origin = [0, -(phone_height - hppB[0]), hppB[1]]; translate(hinge_origin) - rotate([180,0,0]) + rotate([doflip*180,0,0]) translate(-hinge_origin) children(); } @@ -837,6 +912,12 @@ module Case(){ ////toplevel } } +module LidAdhocMultiprintFrame(phase){ + if (led_window_style >= 3) { + AdhocMultiprintFrame(phase, lpp13[1], -1); + } +} + module Lid(){ ////toplevel difference(){ union(){ @@ -877,7 +958,20 @@ 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 @@ -887,9 +981,13 @@ module HingeLever(){ ////toplevel HingeLeverOuterProfile(); // space for the screws - HingePortion(hex23, hex24) + HingePortion(hex26, hex24) HingeLeverInnerProfile(); + // recesses for the nuts + HingePortion(hex23, hex26+1) + HingeLeverNutProfile(); + // bores for the screws HingeScrews(); @@ -899,8 +997,36 @@ 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, lpp13[1], -1); +} + +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]) + rotate([-90,0,0]) + translate([-phone_width/2, phone_height, 0]) HingeLever(); } @@ -1130,9 +1256,11 @@ module DemoHingedFrame(){ ///toplevel } module DemoHinge(){ ////toplevel - DemoFrame(); - translate([0,0, -hp_k*3]) - DemoHingedFrame(); + translate([ -0.5*phone_width, phone_height, hp_k*3 ]) { + DemoFrame(); + translate([0,0, -hp_k*3]) + DemoHingedFrame(); + } } module DemoProfiles(){ ////toplevel @@ -1166,7 +1294,25 @@ module DemoProfiles(){ ////toplevel color("blue") HingeLidProfile(); color("red") HingeBaseProfile(); color("black") translate([0,0,-2]) HingeLeverOuterProfile(); - color("orange") translate([0,0,-1]) HingeLeverInnerProfile(); + } + + for (f=[0,1]) { + translate([-30, -60 + 30*f]) { + translate([0,0,-4]) EdgeProfile(); + %translate([0,0,-10]) HingeBaseProfile(); + translate([0,-2] * f * hp_k) { + translate([0,0,-4]) LidEdgeProfile(); + %translate([0,0,-10]) %HingeLidProfile(); + } + translate(+hppB) rotate([0,0,180*f]) translate(-hppB) { + translate([0,0,-2]) color("black") HingeLeverOuterProfile(); + translate([0,0,0]) color("red") difference(){ + HingeLeverOuterProfile(); + HingeLeverInnerProfile(); + } + translate([0,0,3]) color("yellow") HingeLeverNutProfile(); + } + } } translate([20,-30]) {