Mechanisms
Why a Folded Strip Resists Bending
Why a folded strip resists bending: compare flat, folded and curved paper to choose a simple shape for a model…
The full workbench
All pieces
Browse experiments, explanations and small projects from the Prime Daily Bulletin desk. Each piece makes room for the useful lesson, including the bit that did not quite work.
Materials
Choosing Cardboard, Paperboard or Corrugated Sheet for a Freestanding Model
Choose cardboard, paperboard or corrugated sheet for a freestanding model by matching each part to its shape, cut…
Paper
Before the Pop-Up Book: Paper Engineering on the Page
Paper engineering on the page turns diagrams, flaps and layered images into hands-on reading, revealing how a page can…
Project Habits
The Neat-Edges Trap: When Tidying a Prototype Hides Its Weak Spot
Learn why tidying a prototype too soon can hide weak joints or awkward movement, and how to test its basic shape…
Repurposing
A Rainy Afternoon Cardboard Marble Run, Without the Glue
Build a cardboard marble run without glue by arranging channels, testing turns and adjusting supports, so the route…
Our point of view
A good first try is allowed to look like a first try
We treat making as a way to notice, test and adjust. The aim is not a perfect result; it is learning something you can use next time.