A Plain-English Guide to EN71-3 for 3D Printing
Summary EN71-3 is the part of toy safety law that looks at chemical safety, not strength or design. For 3D-printed toys, it checks whether harmful substances can migrate out of the filament if a child mouths it, swallows it, or has prolonged skin contact. This guide explains what EN71-3 does and does not cover, why filament colour and formulation matter, and how testing fits into a proportionate due-diligence approach for small UK makers. EN71-3 evidence supports UKCA compliance by providing chemical safety documentation for a technical file, but it does...
Read more...