diff --git a/Mechanical/ExpansionCard.stl b/Mechanical/ExpansionCard.stl
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diff --git a/Mechanical/OpenSCAD/ExpansionCard.scad b/Mechanical/OpenSCAD/ExpansionCard.scad
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-// Parametric Expansion Card
-//  An OpenSCAD implementation of a basic enclosure of an Expansion Card for
-//  use with Framework products like the Framework Laptop.
-//
-//  See https://frame.work for more information about Framework products and
-//  additional documentation around Expansion Cards.
-
-// Parametric Expansion Card © 2021 by Nirav Patel at Framework Computer LLC
-// is licensed under Attribution 4.0 International. 
-// To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
-
-// 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 default wall thickness
-side_wall = 1.5;
-
-// Size and location of the typical PCB
-pcb_gap = 0.5;
-pcb = [26.0, 30.0, 0.8];
-pcb_h = 3.05;
-
-// USB-C plug dimensions
-usb_c_r = 1.315;
-usb_c_w = 5.86+usb_c_r*2;
-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;
-
-// The rail cutout in the sides of the card
-module rail(make_printable) {
-    rail_depth = 0.81;
-    rail_flat_h = 0.32;
-    
-    mirror([0, 1, 0]) {
-        
-        // The rail that holds the card
-        bottom_angle = 43.54;
-        difference() {
-            union() {
-                translate([rail_depth, 0, -rail_flat_h]) rotate([0, 180+bottom_angle, 0]) cube([2, base[1]-side_wall, 2]);
-                translate([-2+rail_depth, 0, -rail_flat_h]) cube([2, base[1]-side_wall, rail_flat_h]);
-            }
-            translate([-5+rail_depth, 0, 0]) cube([5, base[1]-side_wall, 5]);
-        }
-    
-        pyramid_b = 3.23*sqrt(2);
-        pyramid_t = 1.75*sqrt(2);
-        pyramid_h = 1.0;
-        pyramid_inset = 1.3+0.5;
-        pyramid_step = 3.06;
-        
-        // The ramps to make slotting into the latch smooth
-        translate([-1.75/2+pyramid_inset, 0, -1.75/2]) rotate([-90, 0, 0]) rotate([0, 0, 45]) { 
-            cylinder(r1 = pyramid_b/2, r2 = pyramid_t/2, h = pyramid_h, $fn=4);
-            cylinder(r = pyramid_t/2, h = pyramid_step+pyramid_h, $fn=4);
-            translate([-0.1, 0.1, 0])cylinder(r = pyramid_t/2, h = pyramid_step+pyramid_h, $fn=4);
-        }
-        
-        latch_l = 2.67;
-        latch_d = pyramid_inset;
-        latch_h = 2.85;
-        latch_wall = 1.39;
-        
-        // The pocket that the latch bar drops into, including a 45 degree cut for printability
-        translate([0, latch_wall, -latch_h]) cube([latch_d, latch_l, latch_h]);
-        if (make_printable) {
-            translate([latch_d, latch_wall+latch_l, -latch_h]) rotate([0, 0, -180+45]) translate([0, -latch_l, 0]) cube([latch_d*2, latch_l, latch_h]);
-        }
-    }
-}
-
-
-// A simple cylinder cutout to fillet edges
-module fillet(radius, length) {
-    translate([length, 0, 0]) rotate([0, -90, 0]) difference() {
-        cube([radius, radius, length]);
-        translate([radius, radius, -1]) cylinder(h = length+2, r = radius, $fn = 64);
-    }
-}
-
-// The cutout for the USB-C plug
-module usb_c_cutout(open_top) {
-    // The plug is "pushed in" by an extra 0.6 to account for 3d printing tolerances
-    translate([-usb_c_w/2+usb_c_r, 7-10+0.6, usb_c_r]) rotate([-90, 0, 0]) union() {
-        translate([0, usb_c_r, 0]) cylinder(r = usb_c_r, h = 10, $fn = 64);
-        translate([usb_c_w-usb_c_r*2, usb_c_r, 0]) cylinder(r = usb_c_r, h = 10, $fn = 64);
-        cube([usb_c_w-usb_c_r*2, usb_c_r*2, 10]);
-        
-        // Cutout for the pin side of the shell that expands out
-        translate([0, usb_c_r, 0]) cylinder(r2 = usb_c_r, r1 = 3.84/2, h = 10-7.7, $fn = 64);
-        translate([usb_c_w-usb_c_r*2, usb_c_r, 0]) cylinder(r2 = usb_c_r, r1 = 3.84/2, h = 10-7.7, $fn = 64);
-        translate([usb_c_w/2-usb_c_r, usb_c_r, 0]) scale([1.8, 1, 1]) rotate([0, 0, 45]) cylinder(r2 = usb_c_r*sqrt(2), r1 = 3.84/2*sqrt(2), h = 10-7.7, $fn = 4);
-        
-        // If the card drops in from the top rather than sliding in from the front,
-        // cut out a slot for the USB-C plug to drop into.
-        if (open_top) {
-            translate([-usb_c_r, -10+usb_c_r, 0]) cube([usb_c_w, 10, 10]);
-        }
-    }
-}
-
-// Quarter section of a sphere, used as a clip
-module qsphere(radius = 1) {
-    difference() {
-        sphere(r = radius, $fn = 32);
-        translate([-radius-1, -radius-1, -radius]) cube([radius*2+2, radius*2+2, radius]);
-        translate([0, -radius-1, -radius-1]) cube([radius, radius*2+2, radius*2+2]);
-    }
-}
-
-// The screw boss for the PCB, optionally with space for a threaded insert
-module boss(radius, use_insert, 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);
-    }
-}
-
-// Incomplete implementation of a lid to use with this shell
-module expansion_card_lid() {
-    gap = 0.25;
-    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]);
-            // 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]);
-            // 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]);
-            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);
-            }
-        }
-        // 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
-        }
-    }
-}
-
-// A basic, printable Expansion Card enclosure
-//  open_end - A boolean to make the end of the card that is exposed when inserted open
-//  make_printable - Adds ribs to improve printability
-//  pcb_mount - The method the PCB is held in with, "boss" for self-threading screws,
-//            "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") {
-    // Hollowing of the inside
-    extra = 0.1;
-    inner = [base[0]-side_wall*2, base[1]-side_wall*2, base[2]-side_wall+extra];
-    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]]);
-            // 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]);
-            translate([inner[0]+side_wall-notch, inner[1]+side_wall-notch_l, side_wall]) cube([notch, notch_l, notch_h]);
-        }
-        
-        // The rounded front edge to match the laptop
-        edge_r = 0.8;
-        
-        // The USB-C plug cutout
-        translate([base[0]/2, base[1], usb_c_r+usb_c_h]) usb_c_cutout(!open_end);
-        
-        // The sliding rails
-        translate([0, base[1], rail_h]) rail(make_printable);
-        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]);
-    }
-    
-    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);
-        translate([base[0]-boss_x, boss_y, 0]) boss(boss_r, pcb_mount == "boss_insert", make_printable);
-    } else if (pcb_mount == "clip") {
-        clip_w = 1.5;
-        clip_gap = 0.5;
-        translate([boss_x-boss_r, boss_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]) {
-            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([boss_r*2, boss_r-clip_w, pcb_h+pcb[2]+clip_gap]) qsphere(clip_w);
-        }
-    }
-}
-
-
-module expansion_card_ext() {
-    // 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;
-    
-    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]]);
-        
-        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]);*/
-        }
-    }
-}
-
-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([0, 0, 5]) expansion_card_lid();
-