NOTEBOOK / 001

THE
ENGINEERING
NOTEBOOK

A working record of things we design, build, investigate, break and learn.

BY BALORA DESIGN GROUP
Scroll horizontally

LATEST ENTRY

NOTEBOOK 031

Product Design2026-10-15

The Indexer Pen: Rethinking How We Use a Pen

A wearable miniature pen designed to integrate with the index finger. From sketches and CAD to FDM prototyping, testing and the challenges of manufacturing a new product.

DESIGN PROCESS
01
01 / DEFINE
02
02 / SKETCH
03
03 / MODEL
04
04 / SIMULATE
05
05 / PROTOTYPE
06
06 / ITERATE

FROM THE WORKSHOP

NOT EVERYTHING
STARTS AS A PROJECT.

NOTE

WHY MECHANISM
DESIGN STARTS
WITH GEOMETRY

Thoughts on mechanism architecture, movement, constraints and designing motion before designing parts.

VIDEO

EXPLAINING THE DESIGN

EXPERIMENT

WHEN AN
ENGINEERING IDEA
DOESN'T WORK

Failed concepts are part of the engineering record.

CONTINUE

THE NOTEBOOK
IS NEVER FINISHED.

The next idea is usually sitting somewhere between a sketch, a constraint and a badly behaved prototype.