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LFA Stairs Pro

Stair Calculator & 3D Plans
Lorenzo Francisco Almonte · Utilities
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App info

Developer
Lorenzo Francisco Almonte
Category
Utilities, Productivity
Released
Oct 1, 2026
Version
2.0.7 (Oct 17, 2026)
Price
Free
Size
18.4 MB
Requires
iOS 17.0
Age rating
4+

In-app purchases

Premium Annual$29.99
Premium Monthly$2.99
Current prices, App Store US.
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About LFA Stairs Pro

LFA Stairs is the professional carpentry and design tool for laying out staircases on the jobsite. Enter the total rise and width, and you immediately get the riser and tread layout, dimensioned CAD blueprints, an interactive 3D model, and a complete cut list with every piece measured. ELEVEN STAIR TYPES • Straight • L-shape left and right • Winder L-shape • 180° U-shape • Winder U-shape • Spiral / Helical • Floating Cantilever • Curved • Mono-Stringer • Open Riser WHAT YOU GET • Riser and tread layout with exact floor arrival height • 2D CAD plan: plan view, front and side elevations, fully dimensioned • 3D stair that you can rotate and zoom with your fingers • Detail card for each piece: cut length, cross section, bevel angles, bearing points, and fasteners • Complete cut list ready for the lumberyard • Stringers, risers, treads, landings, railing, and skirtboards RAILINGS Wood…
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