Add panel-to-PCB mounting system with M3 standoffs
Panel alignment: - PCB offset 10mm from panel top - Component holes aligned: OLED@25mm, jacks@45mm, button@58mm - 4x M3 standoff holes at corners (5,5), (35,5), (5,75), (35,75) Updates: - Panel SVG and spec aligned with PCB layout - Mounting holes added to PCB (Edge.Cuts layer) - Regenerated Gerbers with mounting holes - Updated autoroute.py to add mounting holes automatically DRC: 0 unconnected, 7 cosmetic errors (courtyard overlaps)
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@@ -9,9 +9,7 @@
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| Thickness | 1.5-2.0mm | Aluminum or PCB |
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| Corner radius | 0mm | Square corners |
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## Mounting Holes
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Eurorack standard mounting rail positions:
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## Mounting Holes (Eurorack Rails)
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| Hole | X | Y | Diameter | Notes |
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|------|---|---|----------|-------|
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@@ -22,51 +20,78 @@ Eurorack standard mounting rail positions:
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**Note**: Slots (elongated holes) of 3.2mm × 4mm allow for rail tolerance.
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## PCB Mounting
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The PCB (40×100mm) mounts horizontally behind the panel.
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| Parameter | Value | Notes |
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|-----------|-------|-------|
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| PCB offset from panel top | 10mm | PCB top edge at panel Y=10mm |
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| PCB offset from panel bottom | 18.5mm | Clearance for power header |
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| Standoff length | 10mm | M3 hex standoffs |
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| Standoff holes | 3.2mm | M3 clearance |
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### Standoff Mounting Holes
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| Hole | Panel X | Panel Y | PCB X | PCB Y |
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|------|---------|---------|-------|-------|
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| Top Left | 5mm | 15mm | 5mm | 5mm |
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| Top Right | 35mm | 15mm | 35mm | 5mm |
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| Bottom Left | 5mm | 85mm | 5mm | 75mm |
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| Bottom Right | 35mm | 85mm | 35mm | 75mm |
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Note: Bottom holes positioned above power section for routing clearance.
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## Component Holes
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| Component | X | Y | Diameter | Notes |
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|-----------|---|---|----------|-------|
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| OLED cutout | 20.15mm | 25.0mm | 28×12mm rect | Rectangular window |
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| Button | 20.15mm | 50.0mm | 7.0mm | For 6mm tactile + cap |
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| LED (status) | 32.0mm | 50.0mm | 3.0mm | For 3mm LED or light pipe |
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| Jack RETURN | 10.0mm | 95.0mm | 6.0mm | Thonkiconn PJ398SM |
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| Jack TRIG | 30.0mm | 95.0mm | 6.0mm | Thonkiconn PJ398SM |
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All positions aligned with PCB layout (PCB offset = 10mm).
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| Component | Panel X | Panel Y | Diameter | Notes |
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|-----------|---------|---------|----------|-------|
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| OLED cutout | 20mm | 25mm | 28×12mm rect | Rectangular window |
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| Jack RETURN | 10mm | 45mm | 6.0mm | Thonkiconn PJ398SM |
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| Jack TRIG | 30mm | 45mm | 6.0mm | Thonkiconn PJ398SM |
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| Button | 20mm | 58mm | 7.0mm | For 6mm tactile + cap |
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| LED (status) | 32mm | 58mm | 3.0mm | For 3mm LED or light pipe |
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## Panel Layout Drawing
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```
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←─────── 40.30mm ───────→
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┌───────────────────────────┐ ─┬─ 0.00mm
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│ ○ ○ │ │ 3.00mm (mounting holes)
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│ │ │
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│ SubModular │ │ 12.00mm
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┌───────────────────────────┐ ─┬─ 0mm
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│ ○ ○ │ │ 3mm (rail mounting holes)
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│ │ │
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│ SubModular │ │ 12mm
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│ · · │ │ 15mm (standoff holes)
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│ ┌─────────────────┐ │ │
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│ │ │ │ │
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│ │ OLED │ │ │ 19-31mm (display window)
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│ │ OLED │ │ │ 19-31mm (display window @ 25mm)
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│ │ DISPLAY │ │ │
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│ │ │ │ │
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│ └─────────────────┘ │ │
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│ │ │
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│ SN-L00 │ │ 42.00mm
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│ │ │
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│ ◯ • │ │ 50.00mm (button + LED)
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│ BTN PWR │ │
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│ │ │
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│ │ │
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│ │ │
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│ ┌───┐ ┌───┐ │ │
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│ │ │ │ │ │ │
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│ │ ○ │ │ ○ │ │ │ 95.00mm (jacks)
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│ │ ○ │ │ ○ │ │ │ 45mm (jacks)
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│ │ │ │ │ │ │
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│ └───┘ └───┘ │ │
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│ RETURN TRIG │ │ 105.00mm (labels)
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│ RETURN TRIG │ │ 52mm (labels)
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│ │ │
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│ LATENCY TESTER │ │ 115.00mm
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│ ◯ • │ │ 58mm (button + LED)
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│ BTN PWR │ │
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│ │ │
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│ ○ ○ │ │ 125.50mm (mounting holes)
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└───────────────────────────┘ ─┴─ 128.50mm
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│ SN-L00 │ │ 72mm
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│ │ │
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│ │ │
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│ │ │
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│ LATENCY TESTER │ │ 95mm
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│ │ │
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│ · · │ │ 85mm (standoff holes)
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│ │ │
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│ │ │
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│ ○ ○ │ │ 125.5mm (rail mounting holes)
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└───────────────────────────┘ ─┴─ 128.5mm
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```
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## OLED Display Window
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@@ -79,9 +104,7 @@ The 0.91" 128×32 OLED module dimensions:
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| Active area | ~22 × 6mm |
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| Mounting | Pin header on edge |
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**Panel cutout**: 28mm × 10mm rectangle, centered at (20.15, 25.0)
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Alternatively, a slightly larger window (30 × 12mm) gives tolerance for module alignment.
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**Panel cutout**: 28mm × 12mm rectangle, centered at (20mm, 25mm)
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## Material Options
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@@ -106,47 +129,20 @@ Alternatively, a slightly larger window (30 × 12mm) gives tolerance for module
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- Printing: Engraved or adhesive labels
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- Cost: ~€3-5/panel
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## PCB Panel Design
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## Hardware Required
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If using a PCB as the panel:
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```
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Front copper: None (for clean look) or decorative pattern
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Back copper: Optional ground plane
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Silkscreen: All text and graphics
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Soldermask: Black (or custom color)
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```
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## Graphics & Text
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### Suggested Layout
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| Element | Position | Size | Font |
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|---------|----------|------|------|
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| "SubModular" | Top center, Y=12mm | 2.5mm | Bold sans-serif |
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| "SN-L00" | Above button, Y=42mm | 3.0mm | Bold |
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| "RETURN" | Below left jack, Y=105mm | 2.0mm | Regular |
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| "TRIG" | Below right jack, Y=105mm | 2.0mm | Regular |
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| "LATENCY TESTER" | Bottom, Y=115mm | 1.5mm | Light |
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## Hole Tolerances
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| Hole Type | Nominal | Tolerance |
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|-----------|---------|-----------|
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| Mounting | 3.2mm | +0.1/-0.0 |
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| Jack | 6.0mm | +0.1/-0.0 |
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| Button | 7.0mm | +0.2/-0.0 |
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| LED | 3.0mm | +0.1/-0.0 |
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## Files
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- **PANEL_SPEC.md** - This file
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- **SN-L00_panel.svg** - Vector graphic for manufacturing
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- **SN-L00_panel.kicad_pcb** - PCB panel (if using FR4)
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| Item | Qty | Notes |
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|------|-----|-------|
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| M3×10mm standoff | 4 | Hex, male-female |
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| M3×6mm screw | 4 | Pan head, for PCB side |
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| M3 nut | 4 | Or use female-female standoffs |
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| Thonkiconn nut | 2 | Included with jacks |
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## Assembly
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1. Mount OLED module with M2 standoffs or double-sided tape
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2. Jacks mount through panel, secured with nut
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3. Button may need extension shaft or cap
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4. LED can use light pipe for front visibility
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1. Insert standoffs through panel holes, secure with nuts on front
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2. Mount jacks through panel, finger-tighten nuts
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3. Align PCB with standoffs and jack pins
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4. Secure PCB to standoffs with M3 screws
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5. Fully tighten jack nuts
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6. Attach OLED module to PCB header
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@@ -4,13 +4,14 @@
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viewBox="0 0 40.30 128.5">
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<title>SN-L00 Eurorack Panel</title>
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<desc>8HP Eurorack panel for SN-L00 Latency Tester</desc>
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<desc>8HP Eurorack panel for SN-L00 Latency Tester - aligned with PCB</desc>
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<defs>
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<style>
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.panel { fill: #1a1a1a; }
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.hole { fill: none; stroke: #ff0000; stroke-width: 0.1; }
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.cutout { fill: none; stroke: #00ff00; stroke-width: 0.1; }
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.standoff { fill: none; stroke: #0000ff; stroke-width: 0.1; }
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.text { fill: #ffffff; font-family: Arial, sans-serif; }
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.text-small { font-size: 2px; }
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.text-medium { font-size: 2.5px; }
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@@ -22,51 +23,55 @@
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<!-- Panel background -->
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<rect class="panel" x="0" y="0" width="40.30" height="128.5"/>
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<!-- Mounting holes (3.2mm) - RED for drill -->
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<!-- Top mounting holes -->
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<!-- Eurorack rail mounting holes (3.2mm) - RED -->
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<circle class="hole" cx="7.5" cy="3" r="1.6"/>
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<circle class="hole" cx="32.8" cy="3" r="1.6"/>
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<!-- Bottom mounting holes -->
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<circle class="hole" cx="7.5" cy="125.5" r="1.6"/>
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<circle class="hole" cx="32.8" cy="125.5" r="1.6"/>
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<!-- OLED display window (28x10mm rectangle) - GREEN for cutout -->
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<rect class="cutout" x="6.15" y="20" width="28" height="10" rx="0.5"/>
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<!-- PCB standoff mounting holes (3.2mm) - BLUE -->
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<circle class="standoff" cx="5" cy="15" r="1.6"/>
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<circle class="standoff" cx="35" cy="15" r="1.6"/>
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<circle class="standoff" cx="5" cy="85" r="1.6"/>
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<circle class="standoff" cx="35" cy="85" r="1.6"/>
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<!-- Button hole (7mm) -->
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<circle class="hole" cx="20.15" cy="50" r="3.5"/>
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<!-- OLED display window (28x12mm rectangle) - GREEN -->
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<rect class="cutout" x="6" y="19" width="28" height="12" rx="0.5"/>
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<!-- LED hole (3mm) -->
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<circle class="hole" cx="32" cy="50" r="1.5"/>
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<!-- Jack holes (6mm) - RED -->
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<circle class="hole" cx="10" cy="45" r="3"/>
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<circle class="hole" cx="30" cy="45" r="3"/>
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<!-- Jack holes (6mm) -->
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<circle class="hole" cx="10" cy="95" r="3"/>
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<circle class="hole" cx="30" cy="95" r="3"/>
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<!-- Button hole (7mm) - RED -->
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<circle class="hole" cx="20" cy="58" r="3.5"/>
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<!-- LED hole (3mm) - RED -->
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<circle class="hole" cx="32" cy="58" r="1.5"/>
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<!-- Text labels - WHITE silkscreen -->
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<text class="text text-medium" x="20.15" y="12" text-anchor="middle">SubModular</text>
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<text class="text text-large" x="20.15" y="42" text-anchor="middle" font-weight="bold">SN-L00</text>
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<text class="text text-small" x="10" y="52" text-anchor="middle">RETURN</text>
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<text class="text text-small" x="30" y="52" text-anchor="middle">TRIG</text>
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<text class="text text-small" x="20.15" y="57" text-anchor="middle">BTN</text>
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<text class="text text-small" x="32" y="57" text-anchor="middle">PWR</text>
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<text class="text text-small" x="20" y="65" text-anchor="middle">BTN</text>
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<text class="text text-small" x="32" y="65" text-anchor="middle">PWR</text>
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<text class="text text-small" x="10" y="105" text-anchor="middle">RETURN</text>
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<text class="text text-small" x="30" y="105" text-anchor="middle">TRIG</text>
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<text class="text text-large" x="20.15" y="75" text-anchor="middle" font-weight="bold">SN-L00</text>
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<text class="text text-small" x="20.15" y="115" text-anchor="middle">LATENCY TESTER</text>
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<text class="text text-small" x="20.15" y="98" text-anchor="middle">LATENCY TESTER</text>
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<!-- Decorative elements -->
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<!-- Jack nut indicators (circles around jacks) -->
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<circle class="silkscreen" cx="10" cy="95" r="5"/>
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<circle class="silkscreen" cx="30" cy="95" r="5"/>
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<!-- Jack nut indicators -->
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<circle class="silkscreen" cx="10" cy="45" r="5"/>
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<circle class="silkscreen" cx="30" cy="45" r="5"/>
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<!-- Display frame -->
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<rect class="silkscreen" x="5.65" y="19.5" width="29" height="11" rx="0.5"/>
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<rect class="silkscreen" x="5.5" y="18.5" width="29" height="13" rx="0.5"/>
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<!-- Horizontal lines for visual separation -->
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<line class="silkscreen" x1="4" y1="60" x2="36.30" y2="60"/>
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<line class="silkscreen" x1="4" y1="85" x2="36.30" y2="85"/>
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<line class="silkscreen" x1="4" y1="110" x2="36.30" y2="110"/>
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<!-- Horizontal separator lines -->
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<line class="silkscreen" x1="4" y1="38" x2="36" y2="38"/>
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<line class="silkscreen" x1="4" y1="68" x2="36" y2="68"/>
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<line class="silkscreen" x1="4" y1="102" x2="36" y2="102"/>
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</svg>
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Before Width: | Height: | Size: 2.7 KiB After Width: | Height: | Size: 2.9 KiB |
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