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@@ -35,10 +35,17 @@ CHAM = 1.0;
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CHAM_ANGLE = 60;
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CORNER_R = 2.5;
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CLIP_Z = 0; // preview: mm to remove from Z+ (0 = full model)
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-CLIP_Y = 6; // preview: mm to remove from Y+ (0 = full model)
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+CLIP_Y = 0; // preview: mm to remove from Y+ (0 = full model)
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SHOW_DISP = true;
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SCREEN_EXPLODE = 0; // mm to pull display toward X+ in preview
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+// --- Slip-Fit Cap (X+ end) ---
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+SHOW_CAP = true; // show cap in preview
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+CAP_ENGAGE = 8.0; // sleeve engagement length over case exterior (X)
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+CAP_WALL = 1.5; // sleeve and end-wall thickness
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+CAP_TOL = 0.2; // per-side slip clearance between bore and case exterior
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+CAP_EXPLODE = 5; // preview: mm to pull cap away from case in X+ (0 = seated)
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+
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// --- Magnetic Strip Locating Lip (rear face) ---
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MAG_L = 1.772 * 25.4; // strip length ≈ 45.01 mm
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MAG_W = 0.512 * 25.4; // strip width ≈ 13.00 mm
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@@ -62,6 +69,14 @@ win_y = WALL + TOL + ACT_Y_OFFSET;
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fpc_pkt_y = WALL + TOL + (DISP_D - FPC_W) / 2 - FPC_POCKET_PAD;
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fpc_pkt_yw = FPC_W + 2 * FPC_POCKET_PAD;
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+// Cap derived
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+_cap_bore_w = case_d + 2 * CAP_TOL; // bore Y width
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+_cap_bore_h = case_h + 2 * CAP_TOL; // bore Z height
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+_cap_outer_r = CORNER_R + CAP_TOL + CAP_WALL; // outer corner radius
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+// FPC exit slot spans the full FPC pocket height (pocket floor → cavity ceiling)
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+_cap_slot_w = FPC_W + 1.0; // slot Y width
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+_cap_slot_h = FPC_FLOOR_DROP + DISP_T + TOL + 2 * CAP_TOL; // slot Z height
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+
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// Magnetic strip recess geometry (centered on back face)
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_lip_il = MAG_L + 2 * MAG_TOL;
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_lip_iw = MAG_W + 2 * MAG_TOL;
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@@ -118,6 +133,32 @@ module epd_case() {
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}
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}
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+// -------------------------------------------------------------------
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+// Slip-fit cap — slides over X+ end of case; FPC exits through end-wall slot
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+// -------------------------------------------------------------------
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+module cable_cap() {
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+ // Translate so case exterior Y=0, Z=0 aligns with bore inside walls
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+ translate([case_w - CAP_ENGAGE + CAP_EXPLODE, -CAP_TOL - CAP_WALL, -CAP_TOL - CAP_WALL])
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+ difference() {
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+ // Outer shell (rounded to match case corner radius + wall stack)
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+ rounded_box(CAP_ENGAGE + CAP_WALL,
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+ _cap_bore_w + 2 * CAP_WALL,
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+ _cap_bore_h + 2 * CAP_WALL,
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+ _cap_outer_r);
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+
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+ // Bore — open on X- (entry) side; closed by end wall at X+ (local x = CAP_ENGAGE)
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+ translate([-0.01, CAP_WALL, CAP_WALL])
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+ cube([CAP_ENGAGE + 0.02, _cap_bore_w, _cap_bore_h]);
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+
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+ // FPC cable exit slot through end wall
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+ // Y: centered on case; Z: from FPC pocket floor to display cavity ceiling
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+ translate([CAP_ENGAGE - 0.01,
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+ CAP_WALL + CAP_TOL + case_d / 2 - _cap_slot_w / 2,
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+ CAP_WALL + CAP_TOL + WALL - FPC_FLOOR_DROP])
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+ cube([CAP_WALL + 0.02, _cap_slot_w, _cap_slot_h]);
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+ }
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+}
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+
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color("#004B49")
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intersection() {
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epd_case();
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@@ -130,3 +171,7 @@ if ($preview && SHOW_DISP)
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translate([WALL + TOL + SCREEN_EXPLODE, WALL + TOL, WALL])
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EPD213B();
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+if (SHOW_CAP)
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+ color("#1A5C5B")
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+ cable_cap();
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+
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