01 / DUAL
Two notebooks. One system.
Independently retain two A5 notebooks so projects, disciplines or workflows remain clearly separated and immediately accessible.
First 50 signups · Your first PACORI B5 free at release
Your engineered
notebook.
2 notebooks in 1
Organise→Protect→Record
Built for site walks, design reviews and decisions worth preserving—two notebooks and essential tools in one professional system.
First 50 signups get their first PACORI B5 free at release.After the first 50: buy 1 PACORI B5 and get the second 50% off at launch. Signup order is determined by timestamp.
2 × A5Notebook capacity150 mmRuler storage2 × cardsReference windowsFold-backWorking format
Flagship product
PACORI B5Everything ready. Nothing left behind.
Problem → system → outcome
Built around the way engineers work.
Every element has a defined function: reduce searching, separate active records, protect essential notes and keep you working without resetting your setup.
02 / READY
Your tools within reach.
Dedicated retention for a pen, 150 mm ruler and two quick-reference cards keeps working essentials ready when the moment matters.
03 / PROTECT
Safeguard the engineering record.
Keep valuable notes, sketches, measurements and decisions together and protected between meetings, site visits and travel.
04 / WRITE
A stable place to think.
A supportive lay-flat structure creates a dependable writing surface for calculations, sketches and notes in the office or field.
Flagship product
PACORI is the centre of the ESOLCWA system.
Designed for engineers and technical professionals who rely on their notes as a working record—not an afterthought.
A$127Founding launch price
Waitlist access first
Waitlist access first
Two independently retained A5 notebooks
Dedicated pen retention
150 mm ruler storage
Two clear reference-card windows
Fold-back working format
Purpose-built professional organisation
The ESOLCWA range
Complete your field system.
Professional covers, writing tools, measurement essentials and refills built around a clear, restrained technical design language.
Flagship cover
PACORI B5 dual-notebook cover
The complete engineering notebook system for two A5 notebooks, working tools and reference cards.
View PACORICover
ESOLCWA A4 engineering cover
Full-size protection and organisation for technical notes, plans and daily field records.
View productCover
ESOLCWA A4 zipper engineering cover
Secure zipped protection for full-size engineering documentation and essential field tools.
View productCover
ESOLCWA technical field cover
A rugged technical cover designed to protect professional records in demanding environments.
View productPen
Stainless bolt-action pen
A precise, durable writing tool with a dependable mechanical action.
Join waitlistRefill
Kraft dot-grid notebook
Dot-grid pages for diagrams, calculations and structured notes.
Join waitlistWhy ESOLCWA
Tools for work worth preserving.
ESOLCWA designs products that feel like tools: focused, durable and ready for repeat professional use.
PACORI leads that mission by treating engineering notes, sketches and decisions as a valuable working record—something worth organising and protecting.
Founding access
The first 50 get PACORI free.
Join the waitlist now. If you are among the first 50 signups, your first PACORI B5 cover is free when the product is released.
Not in the first 50? You still win.Waitlist members can buy 1 PACORI B5 and get the second 50% off at launch. Signup order is determined by timestamp.
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