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@@ -3,6 +3,7 @@
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// OpenSCAD parametric model
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// ============================================================
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use <ee04.scad>
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+use <epd_case.scad>
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/* [Preview] */
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SHOW_BOARD = true;
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@@ -10,6 +11,7 @@ SHOW_LID = true;
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SHOW_BASE = true;
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SHOW_PLUNGERS = true;
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SHOW_BATTERY = true;
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+SHOW_EPD_CASE = true;
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EXPLODE = 65; // mm to pull lid out in Y- for inspection (try 40)
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/* [Board Dimensions — from EE04 STL] */
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@@ -32,12 +34,16 @@ SLIDE_CLEAR = 0.40; // clearance between flange/rib and groove/channel on all
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// _fpc_xw = 12.5 + 5.0 = 17.5 mm (cable + 2.5 mm clearance per side)
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// slot Y-extent at z=0: sqrt(_fpc_ro² − (FPC_BEND_R−WALL)²) ≈ 4.1 mm
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// with epd_case defaults: bend_r=4, wall=2, fpc_t=0.3, tol=0.3 → _fpc_ro=4.6
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-FPC_CX = 50.0; // PCB-relative case_x centre
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FPC_NOTCH_W = 17.5; // = _fpc_xw in epd_case (cable 12.5 + 2×2.5 mm clearance)
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FPC_U_T = LID_T; // U-rib arm and bar thickness
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FPC_U_DEPTH = 20.0; // how far Y- the U arms extend into the lid interior
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FPC_SLOT_W = 4.1; // ≈ sqrt(_fpc_ro²−(FPC_BEND_R−WALL)²) at epd_case z=0
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+// epd_case reference values for alignment (must match epd_case.scad)
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+_EPD_CASE_W = 130.0; // case_w in epd_case (DISP_W+2×TOL+2×WALL = 125.4+0.6+4)
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+_EPD_FPC_SLOT_CX = 65.98; // _fpc_x1 + _fpc_xw/2 in epd_case (slot X centre)
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+_EPD_FPC_SLOT_Y = 102.0; // BEZEL_Y + DISP_D in epd_case (slot Y- edge)
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+
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/* [Cutout Positions — from STL geometry, PCB-origin-relative] */
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// ---- +Y wall: Sliding power switch ----
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@@ -87,7 +93,7 @@ PCB_BOSS_Y2 = PCB_W - 2.5;
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/* [Interior Clearances — PCB edge to interior wall face] */
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CLR_XN = 2.0; // X- side
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-CLR_XP = 42.0; // X+ side (JST cable routing)
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+CLR_XP = 44.0; // X+ side — sized so OUT_L == _EPD_CASE_W (130 − 2×WALL − CLR_XN − PCB_L)
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CLR_YN = 15.0; // Y- side (FPC routing; lid inserts from here)
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CLR_YP = 1.77; // Y+ side: calibrated contact(1.565) + rest clearance(0.20)
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CLR_LID = 5.0; // from tallest component top to lid underside
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@@ -115,6 +121,9 @@ OUT_W = CAV_W + 2*WALL;
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LID_H = FLANGE_H + LID_T;
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LID_Y_LEN = CAV_W; // flange length; lid Y+ end stops against Y+ interior wall
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+// FPC notch X centre — keeps lid notch aligned with epd_case slot when centred on lid
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+FPC_CX = OUT_L/2 - _EPD_CASE_W/2 + _EPD_FPC_SLOT_CX - PCB_OX;
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+
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// ============================================================
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// HELPERS
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// ============================================================
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@@ -344,3 +353,11 @@ if (SHOW_PLUNGERS)
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translate([PCB_OX + bcx, OUT_W - WALL, PCB_Z + BTN_CZ])
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plunger();
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+if (SHOW_EPD_CASE)
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+ translate([
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+ OUT_L/2 - _EPD_CASE_W/2,
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+ WALL - EXPLODE + LID_Y_LEN - 3 - FPC_U_DEPTH + FPC_U_T - _EPD_FPC_SLOT_Y,
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+ BASE_H + LID_T
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+ ])
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+ epd_case();
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+
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