Image: Model of an Alternating Tread Stair
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Original image (1,758 × 1,438 pixels, file size: 462 KB, MIME type: image/jpeg)
Description: A model of an alternating tread stair (center) compared to a normal stair with half-width stairs (left) and full width stairs (right). Lego model and picture by User:Diomidis Spinellis.
Title: Model of an Alternating Tread Stair
Credit: No machine-readable source provided. Own work assumed (based on copyright claims).
Author: No machine-readable author provided. Diomidis Spinellis assumed (based on copyright claims).
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes
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