: Depending on the design, stringers can be exposed for an "industrial" or "modern" look, or concealed to create a floating appearance where the center of the stair remains open.

: Usually constructed from steel (C-channels or rectangular hollow sections) or LVL/solid timber. The detail should specify the thickness and depth of these members. Tread Support

to use as a technical template. A high-quality CAD detail typically includes: Stringer Profiles: Common structural shapes like C-channels (UPN) , or custom laser-cut plates. Connection Points:

Minimum of 10 inches (with nosing) or 11 inches (without nosing).

: Provides professional-grade CAD drawings for metal stairs, including double stringer steel staircase options and concealed tread designs. Bibliocad - Stairways Collection : Features over 2,000 free blocks, including detailed metal staircase stringer sections, views, and axonometric specifications. Archweb - Steel Stairs Category

When the community center installed the staircase, it became more than access between floors: kids raced up and down during after-school programs, and elders lingered on the landings to reminisce. The double-stringer design—compact, strong, and beautifully detailed—became a symbol of shared craft, the exactness of the DWG linking precise technical tradition with everyday life.