Generate a perfectly fitted, 3D-printable case for your Arduino Arduino UNO R4 Minima. Verified 68.85x53.34mm base dimensions with Above-board dominated by shield stacking height (~10mm per shield).
ATmega328P (UNO R3) dissipates ~100mW; RA4M1 (R4) is similarly low-power. UNO R4 WiFi adds an ESP32-S3 coprocessor (250-500mW WiFi), but still comfortably below any ventilation threshold for typical hobbyist enclosures.
The UNO's education-and-prototyping role suits PLA for most uses. PETG preferred when the enclosure sees student handling or environmental cycling. ABS for integration into larger printed assemblies where solvent welding is desired.
Shield-compat form factor: the classic Arduino shield stack requires clearance for 2x28-pin female headers — enclosure top should be removable OR include a pass-through.
USB Type-B (R3) receptacle is tall (~12mm) — enclosure aperture must clear the plug thickness.
Barrel jack (7-12V DC) is next to USB — ensure both are accessible or one is blocked deliberately.
Reset button on one corner — provide plunger access OR leave recessed as a service-only feature.
Four mounting holes at non-rectangular positions (inherited from original Arduino); design enclosure bosses to match exactly, or document an adapter plate.
UNO R3 has NO wireless — no antenna keepout required.
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Mechanical properties are estimates. Validate critical loads before use.