Buff Design Challenge 2026

How to Enter the
FlexoptixBuff Design Challenge

Everything you need to know — from downloading the template to submitting your design. Read this once. Win forever.

31st July
Submission Deadline
3
Max Submissions
Free
Entry — No Purchase
8+
Prize Items

Design the Next Flexoptix Buff

The Buff is a 360° tube worn at RIPE, NANOG, DENOG, and forty other network engineering events worldwide. It ends up in datacenters, airport terminals, and server rooms at 3am. It goes on stage. It is how people in this industry recognise each other in the wild.

Your mission: design the next revision. Think layer-2 comfort, full-duplex breathability, sub-10ms deployment time — and a design that actually passes a peer review. The winning design goes into production, permanently credited as "Designed by [your name]."

360° means 360°. There is no front. There is no back. No edges. Your design wraps like a ring topology. Plan it that way — it will be seen from every angle at every event.

Step-by-Step Guide

1

Download the Official Template

Start at contest.flexoptix.net. Scroll to the Design Template block below the countdown and download the official Buff template. Available in two formats:

  • .ai — Adobe Illustrator source file. Use this if you work in Illustrator or any tool that can open AI/PDF files.
  • .pdf — Print-ready reference. Open in any design tool (Affinity, Inkscape, Photoshop, etc.) as a reference layer.
Design Template
Download the official Buff template to get started.
Use the AI file in Illustrator or the PDF as a reference in any tool.
2

Create Your Design

Open the template in your preferred tool and design on the 360° canvas. The template shows the exact proportions and wrap geometry. Key things to keep in mind:

  • Visibility matters. The best designs make someone across a crowded room squint and think "wait, is that…?" That moment. That's the target.
  • Restraint is engineering. A busy design that looks great on screen often fails when printed on fabric and stretched around a human neck. Clean and intentional wins.
  • Go somewhere. Network topology as art. Optical references. Abstract geometry. Things that mean nothing to someone at a bus stop and everything to someone who's survived a botched maintenance window.
  • Design to last. The current Buff is still showing up at events it wasn't designed for. That's the standard you're designing against.
File requirement: Vector files preferred (.AI, .EPS, .SVG). If raster, minimum 300 dpi, .PNG or .JPG. Up to 3 submissions per person.
3

Create Your Account (or Sign In)

To submit a design you need an account on the contest portal. You have two options:

Flexoptix Customer  Click "Sign in with Flexoptix Account" in the auth dialog — this uses Keycloak SSO, one click, no new password needed.

New Participant  Click Register in the top navigation. Fill in the form below — no purchase necessary.

contest.flexoptix.net — CREATE ACCOUNT
Create Account
FlexoptixBuff Design Challenge 2026
Sign In
Register
Sign in with Flexoptix Account (SSO)
or register below
First Name *
Last Name *
Company *
Country *
Job Title *
Email Address *
Password * (min. 8 characters)
▶ Create Account & Verify Email
After registration you will receive a verification email. Click the link in it to activate your account before you can submit.
4

Submit Your Design

Once logged in, click ▶ Submit Your Design on the homepage. Upload your file, add a title and a short description of the concept behind your design.

Submit Your Design
📁
Drop your file here or browse
.AI .EPS .SVG — or .PNG / .JPG at 300 dpi+
Design Title
Design Description
Submit Design
You can submit up to 3 designs in total. Collaborations are allowed — credit both names in the submission description.
5

Wait for the Verdict

After the 31st July 2026 deadline, the Flexoptix team reviews all entries. Finalists are announced on 8th August 2026, and the winner reveal is on 28th August 2026.

The winning design goes directly into production. You'll be contacted by the Flexoptix team for the Creator Experience prize package.

What's Allowed — and What Isn't

Read these before you submit. Designs that violate these rules will be disqualified without notice.

✓ What's Allowed
Original work you actually made
Vector files preferred — .AI, .EPS, .SVG
If raster: minimum 300 dpi, .PNG or .JPG
Up to 3 submissions per person
Collaborations — credit both names in the submission
✗ What's Not Allowed
Pornographic or sexually explicit content
Political propaganda of any kind
Racist, discriminatory, or offensive material — including the subtle kind
Hate speech, extremist symbols, violent imagery
Logos, fonts, or artwork you don't own
AI-generated designs with no actual design thinking — the prompt box is not a design tool

⚠ Intellectual Property & Usage Rights

By submitting a design, you confirm the work is your own original creation and that you hold all necessary rights to it. You grant Flexoptix GmbH unrestricted, irrevocable, worldwide rights to use, reproduce, publish, and distribute any submitted design — including non-winning entries — across all channels and media, without further compensation beyond the prizes stated for the winner. Credit will be given where production allows.

Submission Timeline

All dates are final. Late submissions will not be accepted.

Phase 1
Submissions open
10th June 2026
Phase 2
Submission deadline
31st July 2026
Phase 3
Finalists selected & winner announced
8th August 2026
Phase 4
Winner reveal
28th August 2026

BuffOps Creator Experience

The Prize

This is not a €50 gift card.

It's not a drone. It's not "exposure" — a word that has never once paid anyone's rent. The winner gets their name on an object worn by network engineers, sysadmins, and people keeping the internet running, at events around the world.

🏷️

"DESIGNED BY [YOU]" — Permanent Production Credit

On every official Buff we produce. Permanently. Globally. For as long as we make them.

🌍

Global Campaign Feature

Your name and your work across the full Flexoptix campaign worldwide.

📦

First Production Batch

A limited winner set from the first run off the line — before anyone else.

🧥

Flexoptix Engineering Jacket

Not in the webshop. Not available anywhere. Winner only.

🧳

Premium Travel Suitcase

Flexoptix Travel Edition. Built for people who actually go places.

✈️

Flight to Darmstadt + 2 Nights for 2

Come to HQ with someone. We'll show you where this thing gets made.

🏭

HQ & Engineering Lab Tour

No script, no PR handler, no talking points. The real place.

🍽️

Dinner with the Team

A real dinner, real people, real table. Not a branded lunch event with name badges.

📸

Creator / Winner Shoot

Professional photos and feature material. You designed the thing — you should look like it.

Frequently Asked Questions

Do I need to be a Flexoptix customer to enter?
No. Anyone can participate. You just need a free contest account — register at contest.flexoptix.net. No purchase necessary.
Can I submit more than one design?
Yes. Up to 3 submissions per person. Each submission must be independent and original.
Can I collaborate with someone else?
Yes. Collaborations are allowed. Credit both names in the submission description and both will be credited on the production run if the design wins.
What file format should I submit?
Vector files preferred: .AI, .EPS, or .SVG. If you work in raster, minimum 300 dpi, .PNG or .JPG.
Can I use AI tools to create my design?
AI-generated designs with no actual design thinking are not allowed. The prompt box is not a design tool. Using AI for specific elements (textures, colour palettes, variations) as part of a genuine design process is a judgement call — but the concept and execution need to be yours.
Who decides the winner?
The Flexoptix team reviews all entries and selects the winner. There is no public vote.
What happens to non-winning designs?
By submitting, you grant Flexoptix GmbH worldwide rights to use any submitted design. Non-winning entries may be used across Flexoptix channels and media. Credit will be given where production allows. See the full Intellectual Property notice in the contest rules.
I'm a Flexoptix customer — do I need to register separately?
No. Use the "Sign in with Flexoptix Account" button in the auth dialog. Keycloak SSO authenticates you directly — no new password or registration needed.
When will I know if I won?
Finalists are announced on 8th August 2026. The winner reveal is on 28th August 2026. You'll be contacted by the Flexoptix team directly if you win.

Ready to Enter?

Download the template, design your Buff, and submit by 31st July 2026.

▶ Open Contest Portal ⬇ Download Template PDF