3D Printing on Shabbat | Forbidden activities on Shabbos – the 39 melachos | Ask the Rabbi - SHEILOT.COM

3D Printing on Shabbat

Question

I need to print a computer 3D design, and it takes many hours. Is it permissible to start the software before Shabbat, allowing the printer to operate on its own during Shabbat, so that it will be ready after Shabbat?

Thank you.

Answer

Shalom Rav,

If the operation of the printer is initiated only on the eve of Shabbat, and during Shabbat everything operates on its own, it is permitted.

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