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Card 043 of 10002026-09-06 issue

Observed arrival · 2026-09-06

Planform, a Flying-Wing Designer with a Center-of-Gravity Problem to Solve

apache.tools Observed source
Editorial interest 86/100 Selection signal · not a rating of the site

An interactive tailless-aircraft tool for drawing wing planforms, blending NACA airfoils in 3D, checking MAC and CG, and exporting an STL or design sheet.

Landing page captured for the 2026-09-06 issue.

Field notes

The tool combines a 2D wing planform editor with a 3D loft that blends standard NACA 4-digit root and tip sections, then applies spanwise twist and dihedral. Its calculations include MAC and CG percentages from exact spanwise integration, while the planform marks a 10–25% local-chord reference band. Users can include a tapered center-body, inspect stations, and export the resulting geometry as STL or a design sheet.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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Landing page observed 2026-09-06. The live site may have changed.