X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=fairphone-case.scad;h=1e136a767c8100ebf205d7259753fefce75ec61b;hb=e96f67dc35f9ab7ce6e0375ba4ee66ac931bbcc3;hp=cba563141d1628a5d6b8685546da589d23b84b5d;hpb=5f44b0044ec1ef5e5bc6df69a030638e4d47030d;p=reprap-play.git diff --git a/fairphone-case.scad b/fairphone-case.scad index cba5631..1e136a7 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -1,6 +1,6 @@ // -*- C -*- -phone_height = 146.5; +phone_height = 146.5 - .80; phone_width = 76.75; phone_cnr_rad = 4.0; @@ -9,6 +9,9 @@ phone_edge_thick = 9.0; phone_total_thick = 12.0; phone_backside_slope = 1.0; // larger means shallower +camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner +camera_pos_br = [ 24.0, 39.5 ]; // tl/br as seen from back + case_th_bottom = 2; case_th_lid = 2; case_th_side = 2; @@ -16,15 +19,20 @@ case_th_lip = 1.2; keeper_th_z = 0.75; keeper_th_x = 0.75; -keeper_width = 2.5; -keeper_height = 2.5; +keeper_inner_width = 1.75; +keeper_inner_height = 1.75; keeper_gap_z_top = 0.25; keeper_gap_z_bot = 0.25; keeper_gap_x = 0.25; +keeper_gap_x_holes = 0.75; case_lip = 1.25; +lid_gap_x = 0.25; +lid_gap_z = 0.25; +lid_lip = 1.75; + $fa = 5; $fs = 0.1; @@ -42,6 +50,18 @@ epp3 = epp2 + [10, 0]; epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip); epp4 = epp5 + [-1,0] * case_th_side; +kppe = [0,0]; +kppd = kppe + [1,0] * keeper_inner_width; +kppc = kppd + [0,1] * keeper_th_z; +kppb = [ kppe[0] - keeper_th_x, kppc[1] ]; +kppf = kppe - [0,1] * keeper_inner_height; +kppa = [ kppb[0], kppf[1] ]; + +lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ]; +lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ]; +lpp12 = [ epp4[0] + lid_lip, lpp11[1] ]; +lpp13 = [ lpp12[0], lpp12[1] + lid_lip ]; + module rectfromto(a,b) { ab = b - a; translate([min(a[0], b[0]), min(a[1], b[1])]) @@ -49,23 +69,42 @@ module rectfromto(a,b) { } module circleat(c,r) { translate(c) circle(r); } +module KeeperProfile(){ + polygon([kppe, kppd, kppc, kppb, kppa, kppf]); +} + module EdgeProfile(){ difference(){ hull(){ - circleat(epp3, r=case_th_bottom); + translate(epp3) square(case_th_bottom*2, center=true); circleat(epp2, r=case_th_bottom); circleat(epp1, r=case_th_side); rectfromto(epp0, epp4); } - %polygon([ epp5 + [0,10], - epp1, - epp2, - epp3 + [10,0] ]); + polygon([ epp5 + [0,10], + epp1, + epp2, + epp3 + [10,0] ]); } } -module CaseBase_rhsflip() { - for (rhs=[0,1]) { +module LidEdgeProfile(){ + polygon([ lpp10, + lpp11, + lpp12, + lpp13, + lpp13 + [10, 0], + lpp10 + [10, 0] + ]); + intersection(){ + circleat(lpp12, r=lid_lip); + rectfromto( lpp12 + [-10, 0], + lpp12 + [+10, +10] ); + } +} + +module CaseBase_rhsflip(yn=[0,1]) { + for (rhs=yn) { translate([phone_width/2, 0, 0]) mirror([rhs,0,0]) translate([-phone_width/2, 0, 0]) @@ -82,13 +121,15 @@ module CaseBase_botflip() { } } -module CaseBase(){ +module AroundEdges(fill_zstart, fill_th, fill_downwards=0){ + // sides CaseBase_rhsflip(){ translate([0, -phone_cnr_rad, 0]) rotate([90,0,0]) linear_extrude(height = phone_height - phone_cnr_rad*2) - EdgeProfile(); + children(0); } + // corners CaseBase_rhsflip() CaseBase_botflip() { translate([+1,-1] * phone_cnr_rad) intersection(){ @@ -96,20 +137,119 @@ module CaseBase(){ intersection(){ mirror([1,0,0]) translate([-1,0] * phone_cnr_rad) - EdgeProfile(); + children(0); rectfromto([0,-20],[10,20]); } translate([-10, 0, -20] + 0.01 * [+1,-1, 0] ) cube([10,10,40]); } } + // top and bottom CaseBase_botflip(){ translate([ phone_width - phone_cnr_rad, 0,0 ]) rotate([90,0,-90]) linear_extrude(height = phone_width - phone_cnr_rad*2) - EdgeProfile(); + children(0); + } + // fill + translate([0,0, fill_zstart]) + mirror([0,0, fill_downwards]) + linear_extrude(height = fill_th) + rectfromto([+1,-1] * phone_cnr_rad, + [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad); +} + +module CaseBase(){ + AroundEdges(epp3[1], case_th_bottom, 1) + EdgeProfile(); +} + +module Case(){ ////toplevel + difference(){ + CaseBase(); + + // slots for keeper + CaseBase_rhsflip() + translate([0, -phone_cnr_rad, 0]) + rotate([90, 0, 0]) + linear_extrude(height = phone_height + phone_cnr_rad * 2) + minkowski(){ + KeeperProfile(); + rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ], + [ keeper_gap_x_holes, +keeper_gap_z_top ]); + } + + // front camera + CaseBase_rhsflip([1]) + mirror([0, 0, 1]) + linear_extrude(height = 20) + mirror([0, 1, 0]) + rectfromto(camera_pos_tl, camera_pos_br); } } -EdgeProfile(); +module Lid(){ ////toplevel + AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0) + LidEdgeProfile(); +} + +module TestLength(){ ////toplevel + intersection(){ + Case(); + translate([-30, -200, -20]) + cube([30 + 15, 250, 40]); + } +} + +module TestWidth(){ ////toplevel + intersection(){ + Case(); + translate([-30, -(phone_height - 25), -20]) + mirror([0, 1, 0]) + cube([200, 50, 40]); + } +} + +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 ]); + } +} + +module OneKeeper(){ ////toplevel + translate([0, -phone_cnr_rad, 0]) + rotate([90, 0, 0]) + linear_extrude(height = phone_height - phone_cnr_rad * 2) + KeeperProfile(); +} + +module OneKeeperPrint(){ ////toplevel + rotate([0,180,0]) + OneKeeper(); +} + +module Keeper(){ ////toplevel + CaseBase_rhsflip() + OneKeeper(); +} + +module DemoProfiles(){ ////toplevel + LidEdgeProfile(); + %EdgeProfile(); + KeeperProfile(); +} + +//EdgeProfile(); +//KeeperProfile(); //CaseBase(); +//%Case(); +//Keeper(); +//LidEdgeProfile(); +//KeeperProfile(); +//DemoProfiles();