An envelope box 14 × 14 × 14 mm (Lens barrel and cable are not modelled)

Exact dimensions. True size, no printing tolerance added.

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

Dimensions

dimension	lens
value	2.1 mm (M8)

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From the full sheet

RunCam Nano 4 camera: every size, notes, mating features and sources. What are the dimensions of the RunCam Nano 4 camera?