Eiger’s New Brim Feature: Reliable, Warp‑Free Prints for Thin Parts

In Eiger’s Advanced Settings, the Use Brim toggle helps eliminate warping, corner lift, and improves print reliability for delicate or islanded geometries.

The illustration below shows the lower section of a model rocket: the Part View displays the raw geometry, while the Internal View shows the brim extension added.

What Is a Brim?

A brim is a thin, 5‑layer tall skirt that extends outward from your print’s footprint. It creates a larger, stable attachment zone that dramatically reduces warping and corner lift. After the print finishes, the brim can be trimmed away. In FDM processes like nylon extrusion, the material contracts as it cools, and components with limited bed contact are especially prone to curling or warping.

Rocket source: thingiverse user Landru

When to Use a Brim

Enable a brim whenever your model has:

Thin or slender features (e.g., rocket fins)
Large, flat surfaces
Only a few contact points or islands on the bed
Substantial fillets or chamfers rising from the build platform

There are no additional configurations required—just toggle the setting on and let Eiger generate the brim automatically.

Below are photos of the rocket base printed on a Mark One Composite 3D Printer in nylon, demonstrating how brims improve surface quality and dimensional accuracy.

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