Musings and Experiments on the Art and Science of 3D Printing


Proto-pasta Matte Fiber HTPLA

By SublimeLayers Wednesday, December 14, 2016
I have been on a quest for a nice matte black PLA to use to print parts for the fly fishing reel kits I manufacture and sell. When I saw Proto-pasta's Matte Fiber HTPLA, I knew I had finally found what I was looking for. I started with a roll of black but with the results I'm getting, I'll be buying all available colors!

Firstly, I found this HTPLA just as easy to print as normal PLA. I did have to increase my hot end temp about 5°C but otherwise, my standard 2mm SLOW 15mm/s retract, 4mm Z-lift and other slicing parameters were the same. I normally print parts on my delta printers but since getting the Prusa i3 MK2 last week, I'm putting it through its paces. So I loaded up my torture test model into KISSlicer and had at it. As you will see, this part requires PERFECTION for the first layer. The concentric rings are designed into the part, they are not something a slicer can do. The layer height, adhesion, string and blob control all have to be perfect in order to produce the high quality parts I put my name on. So, take a look at this:

This part is perfect. And it had 5 platter mates, I printed them 6-up on the i3 MK2 and all of them look like this one. One cool thing about the HTPLAs is they can be heat treated at 110°C for an hour or so. This significantly raises the heat deflection temperature (HDT) to 120-140°C - higher than standard PLA, ABS or PET. These parts are heading for the oven...

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