
CaldereriaOnLine.com
Online Sheet Metal Flat Pattern Generator for Fabricators
I’m building CaldereriaOnLine.com for a pretty specific customer: the guy in the sheet-metal workshop who needs to make a cone, transition, branch, elbow, hopper, etc. and needs the flat pattern now.
The usual options are doing the geometry manually or opening a CAD program and spending time drawing something that should be relatively straightforward.
So I’m trying to make that part simpler:
Enter dimensions → generate the development → download DXF → cut the sheet.
It’s a small niche, but that’s what makes it interesting. There are a lot of real-world shapes and fabrication problems that still need better, simpler tools.
I’m building it one pattern at a time, based on the problems fabricators actually run into.
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Fabricators often need a sheet-metal development, but creating one can mean too much manual calculation and CAD work. I made this simpler: enter the dimensions, get the development, download a DXF ready for fabrication.

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