Insights
Technical learnings and practical tips from the DeltaProto PCBA proto lab.
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Gerber and drill layers misaligned? The absolute-vs-relative origin bug
2026-06-29Drill holes floating off your board in a Gerber viewer? It is usually an Altium absolute-vs-relative origin mismatch. Here is how our actively maintained open-source Gerber/Excellon drill library detects and fixes it automatically.
Arnoud van der Heijde
Software Engineer
Delta Gerber: our open-source gerber library
2026-02-02DeltaProto launches Delta Gerber — an open-source library for viewing Gerber files directly in the browser.
Arnoud van der Heijde
Software Engineer