The price is around the same (here in Europe) for resin and silicone! So I decided to buy the resin for a better resistance and why not do some commercial production...
Anyway I tryed the Alumilite VAC-MASTER 50 but I got a lot of problem, check out the photo:
I can't use the brush like on DIY video on last comment, because the mix is very very dense! This cause problem during the casting too...
I'm using release wax brushed with a tiny brush on PLA, but resoult it's very bad