diff --git a/Mechanical/OpenSCAD/PCB.stl b/Mechanical/OpenSCAD/PCB.stl new file mode 100644 index 0000000..d24a84d Binary files /dev/null and b/Mechanical/OpenSCAD/PCB.stl differ diff --git a/Mechanical/OpenSCAD/Roamer.scad b/Mechanical/OpenSCAD/Roamer.scad index 9eb925a..eb8e1d5 100644 --- a/Mechanical/OpenSCAD/Roamer.scad +++ b/Mechanical/OpenSCAD/Roamer.scad @@ -12,8 +12,8 @@ // The basic dimensions of an Expansion Card base = [30.0, 32.0, 6.8]; -// The extension for the mini PCIe slot -base_ext = [56.4, 33, 13]; +// The extension for the SMA connectors & EG95 +base_ext = [40, 20.2, 16.5]; // The default wall thickness side_wall = 1.5; @@ -31,9 +31,30 @@ usb_c_h = 2.2; rail_h = 4.25; // to top of rail // Boss locations matching the other Framework Expansion Cards -boss_y = 10.5; -boss_x = 4.2; -boss_r = 2.95; +boss_inc_y = 10.5; +boss_inc_x = 4.2; +boss_r = 3; + +boss_ext_y = 8.75; +boss_ext_x = 4; + +boss_ext_top_y = 6; + +lid_boss_depth = 3; +lid_wall_thickness = lid_boss_depth+side_wall; + +gap = 0.25; + +sma_height = 11.28; +sma = 10.035; + +hollow_bottom_z = 0.7; +bottom_thickness = hollow_bottom_z+0.2; + +ext_screw_hole = 2.5+side_wall; + +ledge_cut = 0.6; +ledge_cut_d = 3.2; // The rail cutout in the sides of the card module rail(make_printable) { @@ -118,35 +139,55 @@ module qsphere(radius = 1) { } // The screw boss for the PCB, optionally with space for a threaded insert -module boss(radius, use_insert, make_printable) { +module boss(radius, height = pcb_h, inner_size, make_printable) { difference() { - cylinder(r = radius, h = pcb_h, $fn = 64); - translate([0, 0, side_wall]) cylinder(r = 1.25, h = pcb_h, $fn = 64); + cylinder(r = radius, h = height, $fn = 64); + translate([0, 0, side_wall]) cylinder(r = inner_size/2, h = pcb_h, $fn = 64); } } -// Incomplete implementation of a lid to use with this shell +module sma_hole() { + radius = 3.15; + rotate([90,0,0]) cylinder(h = side_wall,r = radius, $fn = 64); +} + +// make expansion card lid module expansion_card_lid() { - gap = 0.25; + lower_lid_z = 0.6; + ext_side_extension = 5; difference() { union() { // makes lower lid - translate([side_wall+gap, side_wall+gap, base[2]-side_wall]) cube([base[0]-side_wall*2-gap*2, base[1]-side_wall*2-gap*2, side_wall]); + translate([side_wall+gap, 0, base[2]-lower_lid_z]) cube([base[0]-side_wall*2-gap*2, base[1]-side_wall-gap, lower_lid_z]); // makes upper lid - translate([base[0]-base_ext[0]+side_wall+gap, -base_ext[1]+2*(side_wall+gap), base_ext[2]-side_wall]) cube([base_ext[0]-side_wall*2-gap*2, base_ext[1]-side_wall*2-gap*2, side_wall]); + translate([-side_wall*2-gap, -base_ext[1]+side_wall+gap, base_ext[2]-side_wall]) cube([base_ext[0]-side_wall*2-gap*2, base_ext[1]-side_wall*2-gap*2, side_wall]); // joins them together - translate([side_wall+gap,0,base_ext[2]-(base_ext[2]-base[2])-side_wall]) cube([base[0]-side_wall*2-gap*2, side_wall+gap, base_ext[2]-base[2]+side_wall]); + translate([side_wall+gap, -side_wall, base[2]-lower_lid_z]) cube([base[0]-side_wall*2-gap*2, side_wall, base_ext[2]-base[2]+gap*2+0.1]); + translate([side_wall+gap,-gap-side_wall,base_ext[2]-side_wall]) cube([base[0]-side_wall*2-gap*2, side_wall, side_wall]); difference() { translate([base[0]/2-usb_c_w/2+gap, base[1]-side_wall-gap, usb_c_r+usb_c_h]) cube([usb_c_w-gap*2, side_wall+gap, base[2]-(usb_c_r+usb_c_h)]); translate([base[0]/2, base[1], usb_c_r+usb_c_h]) usb_c_cutout(false); } - // Adds screw holder to lid - screw_holders(); - } - // engrave LES logo into lid - translate([3, 20, 7]) linear_extrude(height=1.5, center=true) { - offset(0.01) import("LES.svg"); // the offset fixes a weird error about the svg's mesh being incomplete + // join on sma cover + translate([-side_wall*2-gap,-base_ext[1],base_ext[2]-side_wall]) cube([base_ext[0]-side_wall*2-gap*2, side_wall+gap, side_wall]); + + // make sma cover half + translate([-side_wall*2-gap, -base_ext[1], sma_height]) cube ([base_ext[0]-side_wall*2-gap*2, side_wall, base_ext[2]-sma_height]); + + // add screw holder to lid + difference() { + translate([-3.25,-base_ext[2]-side_wall-gap*3,sma_height]) cube([lid_wall_thickness, base_ext[2]+gap*2, base_ext[2]-sma_height-side_wall]); + rotate([0,90,0]) translate([-base_ext[2]+3,-6,-3.25]) cylinder(r = lid_boss_depth/2, h = pcb_h, $fn = 64); + } + + difference() { + translate([base_ext[0]-3.25*2-side_wall*3-gap,-base_ext[2]-side_wall-gap*3,sma_height]) cube([lid_wall_thickness, base_ext[2]+gap*2, base_ext[2]-sma_height-side_wall]); + rotate([0,90,0]) translate([-base_ext[2]+3,-6,base_ext[0]-2.52*2-side_wall*3-gap]) cylinder(r = lid_boss_depth/2, h = pcb_h, $fn = 64); + } } + // make sma holes + translate([sma-side_wall*2, -base_ext[2]-side_wall-side_wall/2+0.05, sma_height]) sma_hole(); + translate([base_ext[0]-sma-side_wall*4-gap*4, -base_ext[2]-side_wall-side_wall/2+0.05, sma_height]) sma_hole(); } } @@ -157,16 +198,20 @@ module expansion_card_lid() { // "boss_insert" for fastener with a threaded insert, // "clip" for a fastener-less clip, or // "" for no PCB mounting structure -module expansion_card_base(open_end, make_printable, pcb_mount="boss_insert") { +module expansion_card_base(open_end, make_printable, pcb_mount="boss") { // Hollowing of the inside extra = 0.1; inner = [base[0]-side_wall*2, base[1]-side_wall*2, base[2]-side_wall+extra]; + ledge_fillet_r = 0.3; + + notch_l = 3.0; + + difference() { cube(base); difference() { notch = 1.0; - notch_l = 3.0; notch_h = 3.8; // The main hollow translate([side_wall, 0, side_wall]) cube([inner[0], inner[1]+side_wall, inner[2]]); @@ -188,33 +233,39 @@ module expansion_card_base(open_end, make_printable, pcb_mount="boss_insert") { translate([base[0], base[1], rail_h]) mirror([1, 0, 0]) rail(make_printable); // Cut out the end of what is normally the aluminum cover - ledge_cut = 0.6; - ledge_cut_d = 3.2; - ledge_fillet_r = 0.3; - translate([0, base[1]-ledge_cut_d, 0]) cube([base[0], ledge_cut_d, ledge_cut]); - // The fillet on that cover - translate([base[0], base[1]-ledge_cut_d, 0]) rotate([0, 0, 180]) fillet(ledge_cut/2, base[0]); + + // hollow bottom to provide room for back of board + translate([side_wall,-notch_l,-hollow_bottom_z+1.5]) cube([base[0]-side_wall*2, base[1]-side_wall, hollow_bottom_z]); + } + + difference() { + // add extra bottom thickness to provide room for back of board + translate([0,0,-hollow_bottom_z]) cube([base[0], base[1]-ledge_cut_d, bottom_thickness]); + // engrave LES logo into bottom + translate([base[0]-3, 20, -0.8]) rotate([0,180,0]) linear_extrude(height=bottom_thickness, center=true) { + offset(0.01) import("LES.svg"); // the offset fixes a weird error about the svg's mesh being incomplete + translate([3,-16,0]) text("OPENCOM LTE", font = "Liberated Sans", size = 2, direction = "ltr", spacing = 1 ); + translate([9.6,-18.5,0]) text("#001", font = "Liberated Sans", size = 1.5, direction = "ltr", spacing = 1 ); + } + // The fillets on the aluminum cover + translate([base[0], base[1]-ledge_cut_d, -ledge_cut/2-hollow_bottom_z+0.3]) rotate([0, 0, 180]) fillet(ledge_cut/2, base[0]); } if (pcb_mount == "boss" || pcb_mount == "boss_insert") { // Add the screw bosses - translate([boss_x, boss_y, 0]) boss(boss_r, pcb_mount == "boss_insert", make_printable); // left int screwhole - translate([base[0]-boss_x, boss_y, 0]) boss(boss_r, pcb_mount == "boss_insert", make_printable); // right int screwhole - translate([base[0]-boss_x, boss_y-base_ext[1]-boss_y+2+2.2, 0]) boss(boss_r, pcb_mount == "boss_insert", make_printable); // right bottom ext screwhole - translate([base[0]-base_ext[0]+boss_x, boss_y-base_ext[1]-boss_y+2+2.2, 0]) boss(boss_r, pcb_mount == "boss_insert", make_printable); // left bottom ext screwhole - translate([base[0]-base_ext[0]+boss_x, base_ext[1]+boss_y-base_ext[1]-boss_y-2-2.2, 0]) boss(boss_r, pcb_mount == "boss_insert", make_printable); // left top ext screwhole - translate([base[0]-boss_x, base_ext[1]+boss_y-base_ext[1]-boss_y-2-2.2, 0]) boss(boss_r, pcb_mount == "boss_insert", make_printable); // right top ext screwhole + translate([boss_inc_x, boss_inc_y, 0]) boss(boss_r, pcb_h, 0, make_printable); // left int screwhole + translate([base[0]-boss_inc_x, boss_inc_y, 0]) boss(boss_r, pcb_h, 0, make_printable); // right int screwhole } else if (pcb_mount == "clip") { clip_w = 1.5; clip_gap = 0.5; - translate([boss_x-boss_r, boss_y-boss_r, 0]) { + translate([boss_inc_x-boss_r, boss_inc_y-boss_r, 0]) { cube([boss_r*2, boss_r*2, pcb_h]); if (make_printable) translate([boss_r, boss_r*2, 0]) rib(boss_r*2, pcb_h); translate([0, boss_r-clip_w, pcb_h+pcb[2]+clip_gap]) rotate([0, 0, 180]) qsphere(clip_w); } - translate([base[0]-boss_x-boss_r, boss_y-boss_r, 0]) { + translate([base[0]-boss_inc_x-boss_r, boss_inc_y-boss_r, 0]) { cube([boss_r*2, boss_r*2, pcb_h]); if (make_printable) translate([boss_r, boss_r*2, 0]) rib(boss_r*2, pcb_h); @@ -224,32 +275,48 @@ module expansion_card_base(open_end, make_printable, pcb_mount="boss_insert") { } -module expansion_card_ext() { +module expansion_card_ext(make_printable, pcb_mount="boss_insert") { // Hollowing of the inside extra = 0.1; inner = [base_ext[0]-side_wall*2, base_ext[1]-side_wall*2, base_ext[2]-side_wall+extra]; cutout = [base[0]-side_wall*2, base_ext[1]-side_wall*2, base_ext[2]-side_wall+extra]; - boss_r = 2.3; + sma_cutout = [base_ext[0]-side_wall*2, base_ext[1]-side_wall*2, base_ext[2]]; + + translate([boss_ext_x, boss_ext_y, 0]) boss(boss_r, pcb_h, 3, make_printable); // left ext screwhole + translate([base_ext[0]-boss_ext_x, boss_ext_y, 0]) boss(boss_r, pcb_h, 3, make_printable); // right ext screwhole difference() { cube(base_ext); // cutout to bring base and ext card together - // not sure why it needs 0.5mm added, rounding error maybe? - translate([base[0]-2.1, 5, side_wall]) cube([cutout[0], cutout[1], cutout[2]]); - + // not sure why it needs 0.5mm added, rounding error maybe? <---- FIX THIS + translate([base[0]-23.5, 5, side_wall]) cube([cutout[0], cutout[1], cutout[2]]); + + // half cut out for sma connectors + translate([side_wall, 0-1, sma_height]) cube([sma_cutout[0], sma_cutout[1], sma_cutout[2]]); + + // sma holes + translate([sma+side_wall+gap*2, side_wall, sma_height]) sma_hole(); + translate([base_ext[0]-sma-side_wall-gap*2, side_wall, sma_height]) sma_hole(); + + + // screw holes + translate([0,base_ext[1]-boss_ext_top_y,base_ext[2]-boss_r]) rotate([0,90,0]) cylinder(r = 1.5, h = side_wall, $fn = 64); + translate([base_ext[0]-side_wall,base_ext[1]-boss_ext_top_y,base_ext[2]-boss_r]) rotate([0,90,0]) cylinder(r = 1.5, h = side_wall, $fn = 64); difference() { - notch = 1.0; - notch_l = 3.0; - notch_h = 3.8; // The main hollow translate([side_wall, side_wall, side_wall]) cube([inner[0], inner[1], inner[2]]); - // Extra wall thickness where the latch cutouts are - /*translate([side_wall, inner[1]+side_wall-notch_l, side_wall+notch_h/2]) rotate([0, 0, -90]) rotate([0, 90, 0]); - translate([side_wall, inner[1]+side_wall-notch_l, side_wall]) cube([notch, notch_l, notch_h]); - translate([inner[0]+side_wall, inner[1]+side_wall-notch_l, side_wall+notch_h/2]) rotate([0, 0, 180]) rotate([0, 90, 0]) rib(notch_h, notch); - translate([inner[0]+side_wall-notch, inner[1]+side_wall-notch_l, side_wall]) cube([notch, notch_l, notch_h]);*/ + } + // hollow bottom to provide room for back of board + translate([(base_ext[0]-base[0])/2+side_wall,base_ext[1]-base_ext[1]/2+side_wall,-hollow_bottom_z+1.5]) cube([base[0]-side_wall*2, (base_ext[1]/2)-side_wall, hollow_bottom_z]); + } + + difference() { + // add extra bottom thickness to provide room for back of board + translate([(base_ext[0]-base[0])/2,base_ext[1]-base_ext[1]/2+side_wall,-hollow_bottom_z]) cube([base[0], (base_ext[1]/2)-side_wall, hollow_bottom_z]); + translate([5, base_ext[1]-base_ext[1]/2+side_wall-0.001, -ledge_cut/2-hollow_bottom_z+0.3]) fillet(ledge_cut/2, base[0]); + rotate([0,180,0]) translate([-base_ext[0]/2-13.5,18.5,0]) linear_extrude(height=1.5, center=true) text("LIBERATED EMBEDDED SYSTEMS", font = "Liberated Sans", size = 1.3, direction = "ltr", spacing = 1 ); } } @@ -259,12 +326,14 @@ module screw_holders() { cube([outline[0],outline[1],outline[2]]); radius = 2; height = 10; - rotate([0,90,0]) translate([(-outline[0]*2)-0.5,outline[1]/2, (outline[2]/2)-5]) cylinder(h = height,r = radius); + rotate([0,90,0]) translate([(-outline[0]*2)-0.5,outline[1]/2, (outline[2]/2)-5]) cylinder(h = height,r = radius, $fn = 64); } } translate([0, -base[1], 0]) expansion_card_base(open_end = false, make_printable = true, pcb_mount="boss"); -translate([-base_ext[0]+base[0], -base_ext[1]-base[1], 0]) expansion_card_ext(); +translate([-base_ext[0]+base[0]+5, -base_ext[1]-base[1], 0]) expansion_card_ext(make_printable = true, pcb_mount="boss"); -translate([-60, -35, 0]) expansion_card_lid(); +translate([45, -19, 17]) rotate([180,0,0]) expansion_card_lid(); + +//translate([-128.75, 95.8, pcb_h]) import("PCB.stl"); diff --git a/Mechanical/OpenSCAD/Roamer.stl b/Mechanical/OpenSCAD/Roamer.stl new file mode 100644 index 0000000..aaf9395 Binary files /dev/null and b/Mechanical/OpenSCAD/Roamer.stl differ diff --git a/Mechanical/Roamer.stl b/Mechanical/Roamer.stl deleted file mode 100644 index dd3b87f..0000000 Binary files a/Mechanical/Roamer.stl and /dev/null differ