PLA – Best for Beginners 2 comments

PLA – Polylactic Acid

PLA is one of the most commonly used 3D printing materials. A spool of it often comes together with a new printer. PLA is normally the first filament used by beginners in 3D printing. It is expected to have relatively predictable results. However, the quality of PLA may vary depending on the manufacturer. Even filaments from the same manufacturer but of different colour may have different printing properties. Click on picture to zoom

PLA - 3D Printing Material - Tower of Pi

Tower of Pi – Verbatim Green and Blue PLA

What is most surprising, the price does not reflect the quality. Some less known producers offer a decent quality but cheaper filament. Often “no-brand” PLA found on eBay produce quite satisfactory results. Our project 3D Printing Guardian, a themed wall-mounted spool holder, came out brilliantly in light blue PLA.

Wall Mounted Spool Holder - 3D Printing Guardian

3D Printing Guardian – Light Blue PLA from eBay

Buying filament from eBay can be a good money saver, but there is a catch. A seller may run out of particular colour and it can be hard to find the matching shade to continue a project. Occasionally, items delivered were not the same as advertised. Looking for a specific shade of blue accidentally created quite a collection.

PLA - Best for Beginners - Shades of Blue PLA

PLA – Shades of Blue

On the other hand, availability of so many colours makes PLA the most frequently used 3D printing material. It is fun to experiment with different colours, even creating multicoloured objects on a desktop 3D printer at home.

The material properties are extremely important, especially when just learning how to 3D print. The faulty parts in your print can be caused not only by wrong slicer settings or poor performance of a 3D printer. Material type is a big factor here as well. For beginners in 3D printing, it is not recommended to switch to other types of material until you are confident with PLA. It also sticks to the printing bed better than ABS.

ABS - 3D Printing Bed Adhesion Issue

ABS – 3D Printing Bed Adhesion Issue

Printing out the same test file using different PLA spools provides the evidence of quality variance. When tested, one object had a rougher surface and looked more “spongy”. At the same time, the object printed with 3D material from another spool came out smooth with sharper ends and better bridging.

Generally, PLA produces quite strong objects with a good accuracy. This 3D material is splash resistant. However, it takes water in between the layers if exposed to it for a long time. This means it is not weather/waterproof.

Filament width continuity – check with callipers
Filament is moisture absorbing – store with desiccant dehumidifiers

PLA is biodegradable which makes it greener compared to ABS for example. However, throwing PLA waste in the bin still means polluting. It would be good to have a recycling machine for domestic use. The amount of 3D prints that could be shredded and reused is growing endlessly.

PLA – Pellets

Using pellets is much cheaper compared to filament. Hopefully, there will be a desktop 3D printer designed that will enable using pellets when 3D printing at home. Combined with domestic recycling shredder, using PLA can become much greener. A chair 3D printed with pellets, presented at TCTShow by WASP team was strong enough to hold a 100-kilo man.

3D Printed with PLA pellets - 3D Printing Material

WASProject Chair – 3D Printed with PLA Pellets

STL files:

#3dblockzoo monkey by PrintThatThing:
Tower of Pi Pen Holder by roman_hegglin:

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PLA is best for beginner, most people 3d printing for fun, we would suggest this filament, multicolor gradient, much interesting .