Generate a perfectly fitted, 3D-printable case for your Adafruit Adafruit NeoTrellis M4 Express. Verified 70x60mm base dimensions with Above-board for silicone button bump (~10mm) + light diffusion layer.
SAMD51 + 32 NeoPixel LEDs can draw ~1.5W briefly at full-white — still passive-cool-sufficient.
Tactile pad assemblies need impact resistance. PC is ideal for pro audio/music production use. ABS reduces key-press noise via damping. PETG is accessible default.
Silicone button grid is the intended user interface — enclosure top should have a cutout matching the 8x4 pattern or be entirely open-top.
RGB LEDs need a light-diffusion layer (translucent PETG or a dedicated diffuser sheet) — direct exposure is harsh.
USB-C + audio jack on one edge — plan cable routing.
Accelerometer onboard — rigid mounting matters for motion-sensitive MIDI apps.
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Mechanical properties are estimates. Validate critical loads before use.