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VERSO DISC — GRADE 5 TITANIUM (TC4 / Ti-6Al-4V) CNC + LASER ORDER SHEET
UNIT #0001 — FIRST VERSION PROTOTYPE (DESIGNED BY JACOB HURVITZ)
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WHERE TO UPLOAD THESE FILES FOR 1-PIECE PROTOTYPE MANUFACTURING:
1. JLCPCB CNC Machining (Recommended, ~$48–$75 total for 1 set):
   https://jlc3dp.com/cnc-machining-quote
2. PCBWay Rapid CNC Prototyping (~$65–$95 total for 1 set):
   https://www.pcbway.com/rapid-prototyping/cnc-machining/

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PART-BY-PART UPLOAD SETTINGS
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PART 1: 01_Verso_Titanium_Bottom_Tub_TC4.step
- Material: Titanium Alloy TC4 (Ti-6Al-4V / Grade 5)
- Dimensions: 30.00 mm OD x 3.45 mm Height
- Surface Finish: Fine Bead Blast (Ra 0.8 um) or Brushed Raw Titanium
- Threads / Tapping: YES — Tap the 4x Ø0.95 mm vertical boss holes to M1.2 x 0.25 mm (blind depth 2.60 mm).
- Tolerance: +/- 0.05 mm (ISO 2768-f)

PART 2: 02_Verso_Titanium_Top_Lid_TC4.step
- Material: Titanium Alloy TC4 (Ti-6Al-4V / Grade 5)
- Dimensions: 30.00 mm OD x 0.65 mm Total Height (0.40 mm plate + 0.25 mm lip)
- Surface Finish: Circular Brushed Satin or Fine Bead Blast
- Laser Marking: YES — Attach file `04_Verso_Lid_Laser_Engraving_SN_VD-PROTO-0001.svg`
  Mark on Top External Flat Face using Dark MOPA Fiber-Laser Anneal:
  "VERSO DISC • FIRST VERSION PROTOTYPE • GRADE 5 TITANIUM • SN: VD-PROTO-0001 • DESIGNED BY JACOB HURVITZ"

PART 3: 03_Verso_Open_Center_Watch_Collar_TC4.step
- Material: Titanium Alloy TC4 (Ti-6Al-4V / Grade 5) or 316L Stainless Steel
- Dimensions: 30.50 mm OD x 25.00 mm ID x 0.52 mm Height
- Surface Finish: Fine Bead Blast

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COPY-PASTE NOTE FOR "ENGINEER REMARKS" AT CHECKOUT:
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"Please machine all 3 parts from TC4 (Ti-6Al-4V Grade 5 Titanium).
On Part 01 (Bottom Tub), please tap the 4x Ø0.95mm boss holes to M1.2 x 0.25mm metric fine thread.
On Part 02 (Top Lid), please fiber-laser engrave the attached SVG artwork (`04_Verso_Lid_Laser_Engraving_SN_VD-PROTO-0001.svg`) concentrically on the top outer face (where the counterbores face up).
Do not break sharp sealing edges on the O-ring groove or Ø8.00mm optical sapphire seat."
