When the Mould Fights Back: The Story of FLO’s New Embossed Face

At FLO, we talk frequently about experimentation.

This week, the experiment fought back.

We have been developing a new mould intended to create an embossed pattern directly in the face of a padel racket.

The idea is straightforward:

Rather than applying texture after the racket has been constructed, we want the pattern to be formed as part of the face itself.

Our first prototype showed that the idea could work.

It also showed that the mould was not ready.

The First Result

When the first face emerged, the result looked exciting.

The carbon surface carried a clearly visible pattern of raised crosses. Light caught the geometry, the texture could be felt and the face looked close to what we had imagined.

From a distance, it appeared successful.

Then we looked closer.

Some crosses had formed cleanly.

Others had not.

Individual sections appeared cracked, chipped or incomplete. In some areas, the finer parts of the pattern had failed to remain intact through the manufacturing cycle.

The concept had transferred to the face.

The consistency had not.

And if the same mould cannot produce every section reliably, it is not ready for a finished racket.

Why the Failure Matters

We could photograph the successful areas.

We could avoid showing the damaged crosses.

We could apply paint and graphics, tidy up the presentation and create the impression that the mould worked perfectly on its first attempt.

But that would defeat the purpose of FLO Lab.

The purpose is not to make every experiment look successful.

It is to understand what actually happened.

A failed prototype remains useful when it tells us what to investigate next.

Version 1 established several things:

• The mould can transfer a raised pattern to the carbon face.
• The intended surface effect is visible.
• Some crosses can emerge cleanly.
• The finer geometry does not form consistently enough.
• The current design should not move into production.

That is not a finished result.

But it is progress.

Our Current Hypothesis

Our current thinking is that the crosses were designed with details that were too fine and too sharp.

Small raised features have limited material around their edges. During mould filling, consolidation, curing and release, those delicate sections may be more vulnerable to forming incompletely or becoming damaged.

That is our working hypothesis.

It is not yet a proven conclusion.

Geometry may be the main problem, but other manufacturing variables may also contribute:

• Material placement
• Resin distribution
• Pressure
• Temperature
• Consolidation
• Mould release
• Demoulding technique

The next version should therefore change the geometry clearly enough for us to learn whether robustness improves.

Back to the Mould

For Version 2, we will make the crosses:

• Thicker
• More rounded
• Less sharply edged
• Less delicate at their narrowest points

The objective is not simply to make the pattern larger.

It is to preserve the texture and visual identity while giving each raised section enough structural support to survive manufacturing consistently.

Then we will produce another sample.

We will inspect the entire face—not only its strongest area.

If the thicker geometry emerges cleanly, we will have evidence that the first detail was too delicate.

If the same failure remains, we will need to investigate the process more widely.

Then we will change it again.

Consistency Is Part of the Design

A prototype does not succeed because one section looks good.

If a surface feature is intended for production, it needs to form consistently:

• Across the racket face
• Across multiple samples
• Across repeated manufacturing cycles
• Without relying on cosmetic finishing to hide defects

That is the difference between demonstrating an idea and developing a manufacturable feature.

The first embossed face demonstrated the idea.

Version 2 needs to move it closer to repeatability.

The Less Glamorous Side of Racket Development

A finished padel racket can look simple.

The player sees a mould, a carbon face, a graphic and a handle.

Behind one small surface detail, however, there may be:

• Several mould revisions
• Failed samples
• Changes in geometry
• Factory conversations
• Material adjustments
• Repeated baking cycles
• Further inspection and testing

Most of that work will never be visible in the finished product.

That does not make it unimportant.

The smallest visible feature can create a large manufacturing problem if it has not been properly resolved before production.

What Version 1 Taught Us

We do not yet know what the final FLO embossed face will look like.

We do not know whether rounded crosses will create the answer.

We do not yet know whether this texture will eventually meet our standards for repeatability, durability and on-court use.

But Version 1 has already told us something valuable.

The concept can transfer.

The current geometry cannot be trusted consistently.

The next version needs to be stronger.

We now know what to change.

Sometimes progress means proving that an idea works.

Sometimes it means discovering precisely why the first version does not.

We do not yet know what the finished embossed face should look like.

But we now know what it should not look like.

And that is progress.

Feel the FLO.