X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=fairphone-case.scad;h=4daf80736ad901006c1ea1bdc78c7bc2bad8f63f;hp=1f93b0f9acabced0beee107d5bd522f25245602a;hb=c5b9f398993c756ff4446a2ef09c66aa8d58d662;hpb=0640a57b1896e89c61a7089c368e032b57873c07 diff --git a/fairphone-case.scad b/fairphone-case.scad index 1f93b0f..4daf807 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -170,6 +170,7 @@ fingerpushhole_dias = []; lanyard_half_dia = 1.15; lanyard_entry_rel_breadth = 2; +lanyard_channel_len = 15; rearspeaker_pos_bl = [ 12.64, 18.72 ]; rearspeaker_size = [ 3.76, 7.36 ]; @@ -209,8 +210,7 @@ lid_gap_z = 0.25; lid_lip = 1.75; lid_edgepart_width = 5.0; lid_buttoncover_thick = 1.3; - -catch_slop = 0.50; +lid_buttoncover_reinf = 0.65; foldover_gap = 0.50; foldover_lever_gap = 0.50; @@ -252,15 +252,19 @@ hinge_r_arms_gap = 0.55; rearspeaker_gap = [ 2.0, 2.0 ]; // each side -catch_len = 7.5; +catch_slop = -0.75; + +catch_len = 4.5; catch_width = 15; -catch_thickness = 1.0; +catch_thickness = 1.3; catch_side_gap = 0.75; // each side catch_depth = 0.75; catch_height = 0.35; catch_finger_height = 1.5; catch_finger_depth = 2.5; +catch_catch_slope = 2.00; +catch_close_slope = 3.00; catch_topcurve_r = 5.0; @@ -435,9 +439,9 @@ cppP = [ epp4[0], cppJ[1] ]; cppS = cppJ + [0,-1] * catch_len; cppD = [ cppA[0], cppS[1] + catch_slop ]; cppC = [ cppB[0], cppD[1] ]; -cppT = cppS + [1,0] * catch_depth; +cppT = cppS + [1, -catch_catch_slope] * catch_depth; cppU = cppT + [0,-1] * catch_height; -cppV = [ cppS[0], cppU[1] - catch_depth ]; +cppV = [ cppS[0], cppU[1] - catch_depth * catch_close_slope ]; cppR = 0.5*(cppP + cppJ); @@ -450,7 +454,18 @@ cppF = [ cppV[0] + catch_finger_depth, cppC[1] ]; ly_r = lanyard_half_dia / 2; ly_rc = ly_r * 2; -ly_re = 10; // xxx + +ly_theta = -atan2vector(epp2i - epp1); +ly_o = epp2i + 3 * ly_r * unitvector2d(epp1 - epp2i); + +max_case_bottom_edge_thickness = + case_th_bottom + + sin(ly_theta) * (epp2i-epp2o)[0]; + +ly_q_z = -(ly_rc + ly_r); +ly_re = max_case_bottom_edge_thickness - (-ly_q_z); + +ly_oec_y = lanyard_entry_rel_breadth * ly_r; // prop recess in case @@ -554,11 +569,15 @@ module LanyardMainChannelProfile(){ } } +module LanyardEntryOuterProfile(){ + circleat([ly_re + ly_r, 0], ly_re); +} + module LanyardEntry(){ - q_z = -(ly_rc + ly_r); - d_x = -ly_rc; + q_z = ly_q_z; + oec_y = ly_oec_y; - oec_y = lanyard_entry_rel_breadth * ly_r; + d_x = -ly_rc; translate([d_x, 0, q_z]) { intersection(){ @@ -587,17 +606,29 @@ module LanyardEntry(){ } } - for (my=[0,1]) - mirror([0,my,0]){ - translate([0, oec_y, 0]){ - difference(){ - translate(ly_re * [-1,0,-1]) - cube(ly_re * [2,1,1]); - rotate_extrude(convexity=10) - circleat([ly_re + ly_r, 0], ly_re); + translate([0,0,q_z]){ + for (my=[0,1]) + mirror([0,my,0]){ + translate([0, oec_y, 0]){ + difference(){ + translate(ly_re * [-1,0,-2]) + cube(ly_re * [2,1,2]); + rotate_extrude(convexity=10) + LanyardEntryOuterProfile(); + } } } + difference(){ + translate([-ly_re, -(oec_y + 0.01), -2*ly_re]) + cube([ly_re*2, 2*(oec_y + 0.01), 2*ly_re]); + for (mx=[0,1]) + mirror([mx,0,0]) + rotate([90,0,0]) + translate([0,0,-10]) + linear_extrude(height=20) + LanyardEntryOuterProfile(); } + } } module LanyardCutout(l){ @@ -699,6 +730,22 @@ module ButtonPlan(l, deep, cut){ } } +module ButtonCoverReinf(){ ////toplevel + minkowski(){ + rotate([90,0,0]) + linear_extrude(height=0.01) + intersection(){ + ButtonCoverProfile(); + translate([bppJ[0] + 0.1, -50]) mirror([1,0]) + square([100,100]); + } + mirror([0,0,1]) linear_extrude(height=0.01) intersection(){ + circle(r= lid_buttoncover_reinf); + translate([-20,0]) square(40, center=true); + } + } +} + module CatchCatchProfile(){ hull(){ for (c=[ cppR, cppQ ]) @@ -1023,7 +1070,7 @@ module PropProfileAssignments(gamma){ children(); } -module PropProfile(gamma, cut=0, rot=0){ ////toplevel +module PropProfile(gamma, cut=0, rot=0){ PropProfileAssignments(gamma){ //#circleat($prpp3,1); @@ -1171,6 +1218,13 @@ module Case(){ ////toplevel CatchPortion(catch_side_gap*2, epp4[1]) CatchCutProfile(); + // lanyard + Flip_bot(1) + translate([ly_o[0], -(phone_cnr_rad + ly_re), ly_o[1]]) + rotate([0, ly_theta, 0]) + rotate([0,0,90]) + LanyardCutout(lanyard_channel_len); + // prop recess Flip_rhs(1) translate([prop_x_pos,0,0]) @@ -1221,10 +1275,17 @@ module Lid(){ ////toplevel translate([0,0,-10]) linear_extrude(height= 20) ButtonPlan($button_l, 1,0); - rotate([90,0,0]) - translate([0,0,-100]) - linear_extrude(height= 200) - ButtonCoverProfile(); + union(){ + rotate([90,0,0]) + translate([0,0,-100]) + linear_extrude(height= 200) + ButtonCoverProfile(); + hull() + for (y= [-1,+1] * (($button_l + button_l_fudge)/2 + - lid_buttoncover_reinf)) + translate([0,y,0]) + ButtonCoverReinf(); + } } } @@ -1636,14 +1697,20 @@ module DemoProfiles(){ ////toplevel %EdgeProfile(); KeeperProfile(); translate([0,0,-1]) color("black") KeeperProfile(1); - color("purple") translate(epp2i) - rotate(atan2vector(epp2i - epp1)) { - translate(lanyard_half_dia * 0.5 * [-3,-1]) - LanyardLanyardProfile(); - translate(lanyard_half_dia * 0.5 * [-3,+1]) - translate([0,-1] * case_th_side) - LanyardLanyardProfile(true); + translate(ly_o){ + rotate(-ly_theta){ + translate([0,0,+1]) color("purple") LanyardMainChannelProfile(); + translate([0,0,+2]) color("red") LanyardCurveChannelProfile(); + translate([0, ly_q_z]){ + translate([0,0,-1]) color("blue") LanyardEntryChannelProfile(); + translate([ly_oec_y,0,-2]) color("black") LanyardEntryOuterProfile(); + } + } } + translate([0,0,-5]) color("white") translate(epp2i) + rotate(-ly_theta) + rectfromto([-15, 0], + [+15, -max_case_bottom_edge_thickness]); translate([0,20]) { LanyardMainChannelProfile(); @@ -1701,8 +1768,9 @@ module DemoProfiles(){ ////toplevel %EdgeProfile(); %LidEdgeProfile(); //translate([0,0,1]) CatchCutProfile(); + translate([0,0,+1]) color("red") + difference(){ EdgeProfile(); CatchCutProfile(); } color("blue") CatchCatchProfile(); - color("red") difference(){ EdgeProfile(); CatchCutProfile(); } } translate([40,-30]) {