🔩 Proto-Pasta Composite Copper HTPLA - A Revolutionary HTPC1705-CU Copper Filament Review

I've printed over 14kg (32lb) of PLA magnet iron, which is probably more than any other filament I've ever used. What I love about this yarn is the realistic look once the print has rusted. This is particularly useful as I work in the railway industry where many of the prints are for display purposes and the rusty look immediately catches people's attention - see attached photos of the reduced R36 switch post. Although this thread has its caveats. First off, I've found that a geared extruder is

I have used 3 spools of this filament in my Lulzbot printers for various projects. The key takeaway is that while at least 3 other competitors are selling metal-filled PLA composites with copper, brass, bronze, etc., there is simply no other competitor (to my knowledge) that offers readily available PLA mixed with iron powder. Luckily, Proto-Pasta's Magnetic Iron PLA is pretty good. In my experience, printing with it can be either easy or impossible, depending on various factors. For me, PLA…

Ok to be honest I'm embarrassed to give such a negative review on this product as most people are happy with it and maybe I just expected too much from it but anyway here is, what I have experienced. The filament is very fragile and even though they make it clear in the description, it's still annoying. My 3D printer always puts a little tension on the filament even when you load the filament so despite being careful I still had the filament snap once, no big deal when it's removed but if it…