X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=sleepphone-cable-box.scad;h=80076c024c56fb7d3019b9a21981ddc323f22fbe;hb=277ef432dea7db5f9be145e5cd9d724769f677e1;hp=fe801f0bde70b4307df9e8ec1b0838cb51ba7e3a;hpb=eaaa8ce9d0bf67705af9ce69b5056086b36db106;p=reprap-play.git diff --git a/sleepphone-cable-box.scad b/sleepphone-cable-box.scad index fe801f0..80076c0 100644 --- a/sleepphone-cable-box.scad +++ b/sleepphone-cable-box.scad @@ -1,28 +1,64 @@ // -*- C -*- +include + wall = 0.75 * [1,1,1]; -phone = [ 76.40, 30.96, 6.26 ]; +wall_bot = 1.0; + +phone = [ 76.40, 30.96, 6.00 ]; // includes socket phone_button_z = 6.58; -minwall = 0.25; +minwall = 0.50; + +cutout_dia = 7; +cutout_between = 5; + +button_dz = 1.35; button_dy_outer = 28.42; button_dy_inner = 19.05; button_dy_centre = 5.65; -phone_slop = [1,1,1] * 0.5; +phone_slop = 0.5 * [1,1,0] + + 0.5 * [0,0,1]; led = [25.9, 9.44]; // y is from edge led_dia = 4.4; +// next values include slop +plug_maxw = 10.95 + 0.35; +plug_minw= 6.53 + 0.35; +plug_sllen= 6.50; +plug_totlen = 84.90 - 1.5; // to maxw, including phone + +plug_h = 6.5; +plug_tooth_h = 0.5; +plug_tooth_dy = 0.5; + +keeper_prong = 2; +keeper_stalk_basewidth = 6; +keeper_stalk_len = 70; +keeper_stalk_gap = 1; +keeper_stalk_thick = wall_bot; + // calculated top_z = max( phone[2] + wall[2], phone_button_z + minwall ) + phone_slop[2]; +plugkeeper_x_maxw = phone[0] - plug_totlen; + +plugkeeper_p_max = [ 0, plug_maxw/2 ]; +plugkeeper_p_min = [ -plug_sllen, plug_minw/2 ];; +plugkeeper_d_u = unitvector2d( + clockwise2d( + vecdiff2d( plugkeeper_p_max, plugkeeper_p_min ) + ) + ); + module MainProfileInnerHalf(){ p = phone + phone_slop; - pb = phone_button_z + phone_slop[2]; + pb = p[2] + button_dz; polygon([[ -2, 0 ], [ p[1]/2, 0 ], [ p[1]/2, p[2] ], @@ -37,13 +73,18 @@ module MainProfileInnerHalf(){ module MainProfile(){ p = phone + phone_slop; - for (m=[0,1]) mirror([m,0]) { - difference(){ - translate([-1, -wall[2] ]) - square([ p[1]/2 + wall[1] + 1, top_z + wall[2] ]); + difference(){ + for (m=[0,1]) mirror([m,0]) { + minkowski(){ + translate([ -wall[1], -wall_bot ]) + square([ wall[1]*2, wall_bot + wall[2] ]); + MainProfileInnerHalf(); + } + } + for (m=[0,1]) mirror([m,0]) { MainProfileInnerHalf(); } - } + } } module BoxMain(){ @@ -56,14 +97,85 @@ module BoxMain(){ } } +module PlugKeeperProfileHalf(){ + p_max = plugkeeper_p_max; + p_min = plugkeeper_p_min; + d = plugkeeper_d_u * keeper_prong; + + translate([ plugkeeper_x_maxw, 0 ]) { + polygon([ p_min, + p_max, + p_max + d, + p_min + d ]); + } +} + +module PlugKeeperStalkProfile(){ + hull(){ + for (m=[0,1]) mirror([0,m,0]) PlugKeeperProfileHalf(); + translate([ plugkeeper_x_maxw + keeper_stalk_len, 0,0 ]) + square([ 0.1, keeper_stalk_basewidth ], center=true); + } +} + +module PlugKeeper(){ + for (m=[0,1]) mirror([0,m,0]) { + translate([0,0, -keeper_stalk_thick]) + linear_extrude(height=plug_h + keeper_stalk_thick) + PlugKeeperProfileHalf(); + + translate([0, 0, plug_h - plug_tooth_h]) + linear_extrude(height= plug_tooth_h) + translate(plugkeeper_d_u * -plug_tooth_dy) + PlugKeeperProfileHalf(); + + } +} + +module KeeperProjection(){ + projection() + rotate([0,90,0]) + linear_extrude(height= 20) + projection() + PlugKeeper(); +} + module Box(){ difference(){ BoxMain(); translate([ led[0], phone[1]/2 - led[1], 1 ]) - cylinder(r = led_dia/2, h= phone[2]*2, $fn=20); + rotate([0,0, 360/8/2]) + cylinder(r = led_dia/2 / cos(360/8/2), h= phone[2]*2, $fn=8); + + for (ys=[-1,+1]) { + translate([ -0.1, ys * keeper_stalk_gap, -wall[2]*2]) + linear_extrude(height = wall[2]*3) + PlugKeeperStalkProfile(); + + translate([ phone[0] + wall[0], + ys * (cutout_between/2 + cutout_dia/2), + -10 ]) + cylinder( r= cutout_dia/2, h = 50, $fn = 20 ); + } } + + PlugKeeper(); + + translate([0,0, -keeper_stalk_thick]) + linear_extrude(height = keeper_stalk_thick) + PlugKeeperStalkProfile(); +} + +module BoxPrint(){ + // This makes' Cura's support more optimal: specifically, + // it then doesn't seem to touch the back (bottom) wall + rotate([0,90,0]) + Box(); } -//MainProfileInner(); -Box(); +//MainProfileInnerHalf(); +//MainProfile(); +//KeeperProjection(); +//Box(); +BoxPrint();