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Hi all! Lately I am more and more intrigued by trying to make my own silicone molds for LEGO parts (mostly Bionicle) and make resin casts. I have had a look online and there's some good tips and tutorials. This is an "old but gold" tutorial about how to make molds for lego hairpieces and helmets, I remember it from many years ago, but now sadly the images have gone missing. Has anyone tried, and has experience to share? In particular brands of silicone and resin to use. Another important thing will be trying to match as much as possible original LEGO colors. Does anyone have some experience to share on that regard? It would be very helpful! Some people got very nice results but I doubt they'd want to share their secrets :P I have never attempted silicone casting, so I only know what I could read online :) Thanks for your help!
*sorry for any grammar mistake, English is not my mother language. Hello everybody. So, I've always been intrigued with the idea of making pieces in colors that LEGO hadn't released. Painting or dying pieces wouldn't satisfy me though, I want as few differences from the original pieces as possible. So, I was considering making castings with silicone (there are many videos on YT) and melting LEGO pieces for the plastic. I know, LEGO has plenty of expensive machines that inject hot plastic at high pressure, but I wanted to try nonetheless. I wanted to ask you if you have any tips or information, or if you know of someone who tried something like this. There are many persons who tried making lego pieces, but I know of noone trying to do it with actual lego plastic. At what temperature do lego pieces melt? (here they say 105°C) Will they burn before they melt? What are differences between the different plastics used by LEGO? (Like transparent pieces not being made of ABS plastic) What are the dangers (like poisoning) when attempting something like this? How much will it take to the plastic to cool down and solidify? Will it solidify while casting it in the mold? Is there any reason why the result might be not satisfactory? I heard of someone who melt lego plastic with acetone and then used it for castings, it didn't end well. I wanted to try a purple Miru Mata (worn by Damek the Matoran), post your thoughts.