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<p>[QUOTE=&quot;desertgem, post: 3356349, member: 15199&quot;]I couldn&#039;t find specific, but since PLA is built from lactic acid monomers in a chain, suspect it would be safe until it decompose. Also it does decompose over time, and the lactic acid components separate. and although its life time varies, it is usually fairly short. I would also expect it&#039;s mechanical strength and rigidity would be limited. But easy to work and&nbsp; mold.</p><p><br /></p><p>ABS is much stronger, more rigid, higher melting points, reacts more as common plastics such as acrylic ( as in the name). </p><p><br /></p><p>Common pocket coins are plentiful to try . I would try PLA first as easiest and easily bought from a Maker machine store or Amazon in many colors.</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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