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Parametric hydrofoil wing design: sculpt NURBS planforms and export STEP/STL straight to CAD and manufacturing.

Draw surf and windsurf fins in the browser: shape the outline, pick the foil section and the fin box your board actually uses, and take away a print-ready STL or a STEP solid for a machine shop.

Spec aerospace blind fasteners and lockbolts the right way: describe the joint, get a recommended fastener family, material, and head style, with the design rules and sourcing.

Custom replacement knobs for stoves, dryers, amps, and synths. Exact bore fit for your shaft, any color, shipped in days, or download the STL free.

Browser-based propeller CAD and analysis for drone and marine props: measured OEM geometry, Wageningen B-series outlines, live 3D, and watertight STL export.

A found-object mobile studio. Hang cue balls, marbles, and sea glass off real beam stock and a physics model shows how the thing droops, balances, and turns in the air of an actual room.

Free parametric sewing patterns drafted to your measurements: bucket hat, tote, duffel, dopp kit, and messenger bag. Print-at-home PDF or projector SVG, no email wall.

A field manual for the Technics SL-1200: every model ever built, what changed between them, and what it costs today. Every claim sourced.

Enter an aluminum, steel, plywood, or plastic panel and get carbon-fiber alternatives, monolithic or sandwich, with the weight savings.

A 12-strand Dyneema splice calculator: soft shackles, eyes, and end-to-end splices, sized for the load.

The canon of Toyota's unkillable truck: decode, claim, compare, and share every Tacoma trim, engine, and special edition, rated by rarity.

Describe a vibe, get 20 California vanity-plate candidates that obey the DMV's rules, auto-checked against the live DMV system.

All 771 sessions, 44 venues, and 19 days of the LA 2028 Games on one map, with a planner that checks whether your day actually survives LA traffic before you buy the ticket.

One of a kind bags, painstakingly handmade in Los Angeles from reclaimed sailcloth.