New Project - Oil Insert for the UCO Lantern (Mini) - Initial Thoughts & Feedback

by Forest Fundamentals on March 18, 2026

New Project: Oil Insert for the UCO Mini Lantern — Initial Thoughts & Design Feedback

We're designing a new oil insert for the UCO Mini — here's where we are and how you can help shape it.

We have some exciting news for our fellow UCO Lantern enthusiasts. After the success of our inserts for the Original Lanterns, we've decided to start working on a new design for the UCO Mini Lantern.

Design Challenges

Designing for the UCO Mini does come with its own set of challenges, but also some major pluses.

Challenge 1 — Twist-Out Base

As many of you are aware, the twist-out base isn't flat like the Original version due to the small pieces of plastic that hold the three metal prongs that support the candle. Because of this, I think we'll have to design and make either a custom plastic twist-out base to replace the stock one, or alter the shape of the insert so it fits inside this space.

Challenge 2 — Securing the Insert

The Mini also doesn't close in on itself like the Original, so there's nothing to stop the insert moving around inside the lantern when transporting. We are going to have to figure out a way to fix the insert in place so that it can be easily transported inside the lantern.

The Good News

More Fuel, More Burn Time

The lantern is a lot wider than the Original Lantern, which means the insert should be able to hold the same amount of fuel, if not more, compared to our inserts for the Original Lanterns — giving 4–6 hours of burn time, if not more.

Based on feedback from the previous inserts, we'll also be reducing the wall thickness of the oil chamber so that it can hold more fuel and be slightly lighter too.

Help Shape the Design

Any feedback is always appreciated, and at this stage of the project it can actually be acted on to shape the final design.

If you have any design ideas or features you'd like to see, we'd love to hear from you.

salessupport@forestfundamentals.com

Or simply reply to this email.

Be the First to Get Yours

As with all new products, the first run will be a small batch to test the waters, and we'll be offering the product to those on the waitlist first.

Please enter your email below to join the waitlist.

Join the Waitlist

Have a good weekend.

Cheers,
Elvis & the FF Team

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