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# Open-source 3D printing breaks the speed barrier with axial lithography
- URL: https://adjacent.media/signals/open-source-3d-printing-breaks-the-speed-barrier-with-axial-lithography/
- Published: 2026-06-15T16:10:51.000Z
- Updated: 2026-06-15T16:10:51.000Z
- Description: Computed Axial Lithography (CAL) prints entire objects in seconds by projecting rotating 2D images through a spinning resin cylinder—orders of magnitude faster than layer-by-layer FDM or SLA methods.
- Author: Jonathan Greene
- Tags: #signal, theme-connected, hardware, 3d printing, manufacturing technology

Source: [Hackaday](https://hackaday.com/2026/06/14/opencal-computed-axial-lithographic-3d-printing-for-everyone/?ref=adjacent.media)

Computed Axial Lithography (CAL) prints entire objects in seconds by projecting rotating 2D images through a spinning resin cylinder—orders of magnitude faster than layer-by-layer FDM or SLA methods. Open-sourcing the technology lets hackers build CAL printers for a fraction of commercial systems' cost, moving the technique from lab curiosity to accessible infrastructure for rapid prototyping and on-demand manufacturing.