Endless Exploration *new*

Filament Subscription

$24.99 USD
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Delivery Frequency


Explore new materials + methods with us!

Subscribe by June 30 for our July shipment! Orders on or after July 1 ship in September.

With Endless PLA, we hold the material base constant and vary color + finish while avoiding abrasive ingredients for a beautiful, straight-forward printing experience.

Endless Exploration is for everything else! With such a broad scope, we're taking a very different approach to offer only 2 tiers; coils and spools, only in 1.75mm diameter. Quantity will depend on availability and cost of included materials. These materials may contain abrasive ingredients.

Every 2 months we'll choose a topic to explore and provide new, unreleased materials in support of that topic. Thanks in advance for supporting this new venture that allows us to get back to our broader passion for process and materials. Our focus will be weighted towards function, but also include aesthetics that require machine and process innovation. We're super-stoked to take this leap and hope you'll join us!

Delivery every 2 months in between Endless PLA deliveries. You'll be charged on the same date as sign-up every other month. Subscriptions are processed separately from all other orders, and cannot be combined with any other products. Cancel anytime!

More subscription info below


Technical Data Sheets

Technical data sheets available for download here

Safety Data Sheets

Safety data sheets available for download here.


We provide a number of domestic shipping options within the United States via UPS, including free shipping on orders of $50 or more. We also provide international shipping via DHL Express.


At ProtoPlant's discretion, returns and replacements will be accepted within 90 days of purchase.  Please check the material label before opening your product.  Only sealed product can be returned. Shipping of items for exchange or refund is paid by the customer. More information about returns and replacements can be found in our terms and conditions

A filament subscription to explore more than just PLA colors

Our Makers are eager to explore new function and techniques for creating novel 3D printing filaments. And they'd like to include you!

We crowdfunded with kickstarter in 2013 with 500 supporters backing our work to develop new pellet chemistries and the process to extrude them into filament. Dustin and Aaron experimented with various extrusion techniques and created a number of extrusion apparatuses on the path to making our filament extrusion machinery from scratch. Developing extrusion machinery, controls, and process, as well as creating and qualifying new materials and techniques is our passion.

For years, we've focused on maximizing ease of use with like materials. We dream about and tinker with a wider variety of materials and techniques internally, but, until now, didn't have a path to prioritizing or sharing that work. With the success of Endless PLA, we bring you Endless Exploration as our path to prioritize exploring new materials and techniques together with you.

You can think of Endless Exploration as a mini-kickstarter delivered every 2 months. Thanks for your support! We hope you enjoy the result!!

*Subscriptions are processed separately from all other orders, and cannot be combined with any other products*


Endless Exploration FAQ


Every other month, we select a topic and make unique materials. You’ll receive coils or spools, depending on your subscription level, of new, experimental Protopasta filaments in 1.75mm diameter.


Subscriptions are 1.75mm only, but you can choose coils or spools. You'll then select your preferred shipping method. Spools include a free shipping option for our domestic (US) customers. International customers can choose among FedEx, DHL, or UPS services.


This will vary from novel PLAs to more flexible, more rigid (and potentially abrasive), and higher temperature materials. This subscription is for those that embrace a wider variety of materials.

All materials will first be tested by our in-house Makers. This will help us to provide some guidance for our subscribers, and ensure that each material is actually printable! These materials are expected to work with all the major printer manufacturers out there, and should not require any special hardware or upgrades aside from an upgraded nozzle.

That said, Explorations subscribers should expect to tweak and tinker! This subscription is meant for those who enjoy learning, experimenting, tweaking, tinkering, and playing. As mentioned, we can provide some guidance, but each user will want to spend time figuring out their best set-up.


We’ll be sending these out every two months. Each time around, you’ll be automatically charged on the same date you signed up. We typically produce and ship subscriptions the first full week of January, March, May, July, September, and November (all odd months). Any subscriptions purchased on or after the first will receive the following shipment.

There is no commitment, and you can cancel anytime (though we don't think you'll want to!) We also offer the option to "pause" your subscription, for those times when you have filament coming out your ears and just need a little time to catch up. Then, when you're ready, it's one click to start up again!

Customer Reviews
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Eric C.
United States United States
I recommend this product


Runs perfect in my Bambu.


Protopasta, Filament by Protoplant


Tony B.
United States United States
I recommend this product

Endless Exploration

The filament was great and performed as expected. The only issue I had was the cardboard rolls they were on was quite flimsy and didnt hold up to my feed system.


Protopasta, Filament by Protoplant

Happy to hear you like the filament! As for the spools, we have a blog post about Bambu Labs AMS Compatibility which includes a file for reusable spool sides that may help with your issue, even if you aren't using a Bambu AMS. The blog post can be found here: https://proto-pasta.com/blogs/how-to/bambu-ams-spool-compatibility

Free Domestic Shipping

Free shipping in the lower 48 + DC over $49.

International Shipping

Live outside the U.S.? We ship all over the world!

Support from the Source

Expert, in-house support from Protopasta makers.