X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=fairphone-case.scad;h=1dd97a0c0bbd6a3387a19efe03e72ea946729cc8;hb=b034c3c4e0e84cb229dd969132c225545194d28c;hp=f05abd581280566c1079b02947e6320c7c8a8329;hpb=e381edc2c421479d7cbfc741521eaa3a459f1554;p=reprap-play.git diff --git a/fairphone-case.scad b/fairphone-case.scad index f05abd5..1dd97a0 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -9,12 +9,29 @@ phone_edge_thick = 9.0; phone_total_thick = 12.0; phone_backside_slope = 1.0; // larger means shallower +camera_pos_tl = [ 7.5, 13.5 ]; // 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; case_th_lip = 1.2; -case_lip = 2; +keeper_th_z = 0.75; +keeper_th_x = 0.75; +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; @@ -30,34 +47,64 @@ epp0 = [0,0]; epp1 = [0, -phone_edge_thick]; epp2 = epp1 + phone_backside_slope_thick * [ phone_backside_slope, -1 ]; epp3 = epp2 + [10, 0]; -epp4 = epp0 - [1,0] * (case_th_side - case_th_lip); -epp5 = epp0 + [1,0] * case_lip; -epp6 = epp5 + [0,1] * case_th_lip; - -module rectfromto(a,b) { translate(a) square(b - a); } +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])]) + square([abs(ab[0]), abs(ab[1])]); +} 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); - circleat(epp4, r=case_th_lip); - rectfromto(epp0, epp6); + rectfromto(epp0, epp4); } - polygon([ epp6 + [10,10], - epp6 + [0,10], - epp5, - epp0, + 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]) @@ -74,13 +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(){ @@ -88,20 +137,114 @@ 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); + } +} + +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(); -CaseBase(); +//KeeperProfile(); +//CaseBase(); +//%Case(); +//Keeper(); +//LidEdgeProfile(); +//KeeperProfile(); +//DemoProfiles();