SteelKit vs FabCalc

SteelKit is the go-to reference tool for metalworkers: fabricators, blacksmiths, structural steel contractors, and engineers. COMPLETE PROFILE CATALOG Instantly look up structural steel profiles: IPE, IPN, UPN, HEA, HEB, HEM, round tubes, rectangular tubes, angles, rounds, and flats. Every profile shows weight per meter, dimensions, and technical data. CALCULATE WEIGHT IN SECONDS Enter the length and get the total weight of the piece. Works for custom profiles too — just enter the dimensions. MATERIAL LISTS Build cut lists with your materials, set a price per kg, and get an estimated cost. Perfect for quick quotes right on the job site or in the workshop. FREQUENTLY USED PROFILES SteelKit remembers the profiles you look up most, so they're always within reach. UNIT CONVERTER Quickly convert between millimeters, inches, kg, pounds, and other common industry units. SUPPLIER MANAGEMENT Keep track of your preferred suppliers with notes and contacts — all stored locally on your device. WORKS OFFLINE No internet connection needed. All data lives on your device, available even where there's no signal. MULTILINGUAL Available in Italian, English, French, German, Spanish, and Portuguese. Built for people who work in the field, with an interface designed to be used with greasy hands.

The flat pattern calculator your fab shop needs — cylinders, cone gores, duct wraps, and more. Fully offline. No account. No ads. Stop laying out cone gores by hand on the table. Stop guessing developed length on a duct wrap. FabCalc generates shop-ready flat pattern drawings and 1:1 DXF files for common fabricated shapes. WHAT'S INSIDE • Cylinder wrap — full shell and partial segments • Half-pipe sleeve — 180° cylinder segments • Cone / frustum gore — annular sector with slant length and arc development • Rectangular duct wrap — four-panel strip with bend lines and bend allowance • Live 2D preview — cut profile, bend lines, roll direction, dimensions • DXF export — AutoCAD R12 ASCII, layered (CUT, BEND, ROLL, TEXT), 1:1 scale • PDF job sheet — drawing, inputs, calculated values, notes • Saved jobs — reopen and edit patterns locally WHO IT'S FOR Fabricators, sheet metal workers, pipe fitters, boilermakers, plasma/laser operators, and shop owners who need accurate flat patterns without desktop CAD. FREE vs PRO Free forever: all shape inputs, live preview, calculated values, warnings, and DXF cut-file export. Pro unlocks PDF job sheets and unlimited saved jobs. One-time purchase or subscription. Subscriptions auto-renew until cancelled. Manage in your Apple ID Subscription Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://doublevision.company/privacy NO ACCOUNT. NO ADS. NO DATA COLLECTION. FabCalc works on the layout table, at the plasma table, in the truck. Everything runs locally.