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Professional 3D design and patterning software for shade sail workshops — real double-curvature geometry, cut-ready patterns, and structural load calculations, not flat approximations.

Website, pricing, platforms and company facts side by side.
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| Website | alanaknows.com | tensastudio.app |
| Pricing | — | |
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| Company | — | Startup from España · 1 - 9 employees · 2026 |
| Listed in | — |
In their own words, as submitted to SaaSHub.


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TensaStudio is a professional design and patterning tool built specifically for shade sail workshops — not a generic CAD tool adapted to the job. Shade sails are double-curvature structures: every edge curves in two directions to stay wrinkle-free under tension. Most tools flatten this into a...
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TensaStudio — Photorealistic 3D Renders | Shade Sail Design Software
As answered by people managing https://alanaknows.com/ and TensaStudio.app.
TensaStudio.app's answer:
TensaStudio computes the real double-curvature geometry of a shade sail instead of approximating it as a flat shape. Every edge curve, panel split, and fabric stretch calculation comes from the actual 3D surface — so the pattern that gets cut matches what tensions correctly once installed.
TensaStudio.app's answer:
It covers the full production pipeline in one tool: design, fabric stretch compensation, paneling, cut-ready patterns, nesting, and structural load calculations — all working from the same underlying geometry, so nothing gets recalculated by hand or guessed between steps.
TensaStudio.app's answer:
Independent shade sail workshops and fabricators — small, specialized teams who design and manufacture custom tensioned shade sails and need production-accurate geometry, not a general-purpose CAD tool adapted to the job.
TensaStudio.app's answer:
TensaStudio was built to solve a specific gap: most shade sail design tools treat the sail as a flat shape with an approximate curve added afterward, which causes wrinkles and fit problems once the sail is installed. TensaStudio was built from the ground up around the real 3D geometry of a tensioned double-curvature surface, so the design, the pattern, and the finished sail actually agree with each other.
TensaStudio.app's answer:
FastAPI (Python) backend with an HTML/JavaScript frontend. The geometry engine uses Sailcut's surface-flattening method, geodesic path computation, and Shapely for 2D operations. Data and authentication run on Supabase, payments on Stripe, and the app is deployed on a dedicated VPS behind nginx.
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