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arduino-nano-board

Nano board 43.2 × 18 × 1.6 mm (all printed on Arduino's drawing) with four Ø1.8 holes on 40.64 × 15.24 mm, centred; corners drawn square: radius not published

Exact dimensions. True size, no printing tolerance added.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

parameter	corners
value	drawn square: radius not published

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From the full sheet

Arduino Nano (classic and Nano Every): every size, notes, mating features and sources. What are the Arduino Nano board dimensions?