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OURCELIUM is an agender, circular capsule wardrobe inspired by three European cities — Berlin, Bologna, and Barcelona — and co-designed by three emerging fashion designers, each representing one of these cultural hubs. Developed within the ARCA – AgendeR Circular Apparel project, this collection reflects a shared vision of inclusive, sustainable and collaborative fashion.

ARCA Tutorials are an open-source toolkit designed to guide designers, makers, and curious learners toward ethical and circular fashion practices. They include 7 sewing tutorials with related digital patterns, plus three theoretical (yet hands-on) modules on Circular Design, Business Modeling, and Marketing & Communication.

Click the dropdown menu to access the folder with downloadable files (manuals, patterns, or specific tools), or explore the browsable version to read each tutorial directly online..

INDEX

YRMA JUMPSUIT

These oversized dungarees have the option to be made more form fitting through the side pockets, and by moving the straps they can transform in 2000s style drop-crotch pants.

Here, you will find all the patterns and sewing instructions needed to create the garments designed collaboratively by the ARCA fashion designers. This guide is for anyone interested in learning how to create garments that are circular, agender, and modular.

Your Starter Pack: no advanced experience required. Some basic sewing skills (e.g. using a machine, understanding seam allowances) are helpful.

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HEDERA TOP BAG

This tank top can be converted into a spacious bag thanks to a flap with automatic buttons. It has one pocket on the front and two inside pockets on the side.

Your Starter Pack: no advanced experience required. Some basic sewing skills (e.g. using a machine, understanding seam allowances) are helpful.

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ADA BALAKLAVA TOP

This Cropped bib-style top features a crossed front, open sides, and a hood. It also cinches at the waist with a belt.

Your Starter Pack: no advanced experience required. Some basic sewing skills (e.g. using a machine, understanding seam allowances) are helpful.

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JANNO JACKET

This coat has an oversized fit and is designed for versatility. Thanks to its detachable sections, it can be worn as a full-length coat, transformed into a cropped jacket, or converted into a sleeveless vest.

Your Starter Pack: no advanced experience required. Some basic sewing skills (e.g. using a machine, understanding seam allowances) are helpful.

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SHIFT PANTS + FUNNY PACK

These pants have a relaxed fit and can easily convert into shorts using snap buttons at the knee. The lower leg panels don't go to waste: they transform into functional pockets that can be reattached to the upper part of the pants, also with snaps,

Your Starter Pack: no advanced experience required. Some basic sewing skills (e.g. using a machine, understanding seam allowances) are helpful.

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GODET PLAY SKIRT

This multipurpose skirt has a clean silhouette with removable side godets attached by snap buttons. When detached, the godets can be transformed into a multi-way top, allowing you to create different looks with a single garment

Your Starter Pack: no advanced experience required. Some basic sewing skills (e.g. using a machine, understanding seam allowances) are helpful.

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CIRCULAR & AGENDER DESIGN

How can fashion design be circular? What does non-binary fashion mean? How to collaborate with others?

This guide introduces you to the principles of circular, non-binary and collaborative fashion design. We'll look at how open-source practices allow designs to be shared, adapted, and co-created

What You'll Learn: non-binary and inclusive circular design principles, the limits of the linear fashion system, benefits of a circular economy and circular design practices, collaborative and open-source design.

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BUSINESS MODELLING

How to price your work? How to explain your value to others? What even is a business model?

This guide is here to help you turn a creative project into a small, sustainable business — one that's ethical, personal, and economically viable.

Your Starter Pack: familiarity with Excel, at least one idea or product you want to work with.
What You'll Learn: knowing your audience, writing your Value Proposition, creating a simple business model, fair pricing and economic planning.
Tools: Value Proposition Canvas, Business Model Canvas, Arca Pricing Tool.

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MARKETING & COMMUNICATION

Who does your brand speak to? How to communicate in the most effective way? How to shoot your content?

This guide is here to help you with creating a social media and communication strategy — one that's ethical, personal, and based on your values.

Your Starter Pack: familiarity with social media & editing apps, at least one idea or product you want to work with.
What You'll Learn: defining brand values, identity and audience, producing content, creating and launching your strategy.
Tools: Mini Brand + Collection Canvas, User Persona, Format & Editorial Calendar Templates

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We hope the materials were both useful and enjoyable. We’re always learning too, which is why we’d love to ask for 5 minutes of your time to fill out a short feedback form — it will help us understand how we can improve!

FORM

ARCA is funded under the Creative Europe Programme and is promoted by baumhaus (IT), specialising in innovative learning practices; @lantoki (SPA), a slow fashion SME offering training courses and digital patterns; and @circular.berlin (GER), a non-profit focused on circular economy, with a unit in Fashion and Textiles.

For more information, contact us at arcapparel@baumhaus.bo.it

PHOTO: @danielaguccini | @uncinquantesimo

ARCA - Agender Circular Apparel - CREA-CULT-2023-COOP - Project n°101131677

Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Education and Culture Executive Agency (EACEA). Neither the European Union nor EACEA can be held responsible for them.