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Technical drawing of a helical ribbon staircase inside a transparent cylinder, labeled with 9m diameter and 18m height.

Technical drawing of a helical ribbon staircase inside a transparent cylinder, labeled with 9m diameter and 18m height.

Create a technical drawing of a helical ribbon staircase enclosed within a cylinder 9 meters in diameter and 18 meters in height. The helical ribbon must abut both the outer cylinder and an inner, perforated tubular support. The helical ribbon staircase should resemble a spiral amusement ride. Mostra altro