So the researchers were able to update the printers with fake firmware that contained software that let them control the printers and take advantage of their network access and other systems.

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However, the researchers appeared confident that these setbacks could be overcome and added that future 3D printers should permit greater control over reflectivity, light absorption and other factors allowing toy designers to incorporate additional functionality.

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And apart from being able to lock printers to accept e-mails only from registered e-mail addresses, there is little control for IT managers.

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