Generate a perfectly fitted, 3D-printable case for your Apple Apple Watch Ultra 2 (2023). Verified 44x49mm base dimensions with Watch cradles use the device outer dimensions + 0.
Wearable is a sealed skin-contact device (44.0x49.0x12.0mm). Docks, charging cradles, and travel cases don't involve thermal enclosures — the watch is worn, not enclosed. Charging cradles should preserve heat-dissipation paths during active charging.
Charging stands and travel cases benefit from rigidity (PETG, PC) with TPU rubber contact points where the watch rests. Nylon for robust multi-watch travel cases. PLA is discouraged — wrist-sweat chemistry and summer ambient push beyond its stability.
Magnetic charging puck (Apple Watch, Pixel Watch) aligns via embedded magnets — printed cradle must NOT contain ferrous material in the puck alignment zone.
Caseback heart-rate/SpO2 optical sensors must NOT be occluded during charging — the puck aligns over them by magnet position.
Crown/side buttons (Apple Digital Crown, Samsung rotating bezel, Pixel crown) — cradle design should not press on these during storage or charging.
Watch band attachment tangs (spring bars, fit pins) — cradle should support the watch body without levering against the band pins.
USB-C or proprietary charging cable exits the puck — route the cable through a slot or groove for strain relief at the cradle base.
Device body: 44.0x49.0x12.0mm. Band width varies by model (typically 20-22mm for standard, 24-26mm for Ultra variants).
Ultra / Ultra 2 models are physically larger (with titanium case) — standard cradles may not fit; verify the 46-49mm body diagonal before using.
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Mechanical properties are estimates. Validate critical loads before use.