3D-printed propeller hub components and an assembly guide booklet on a workshop floor
Before You Commit:

See it, hold it,
then decide

Two ways to know exactly what you're getting — no account, no commitment.

Free Printable Files

A small set of 3mf files, that can be immediately printed on whichever filament printer you may have. If you decide to buy the full package later, you will not have to re-print these items.

Download Sample Pack
Printing & Assembly Guide

The first couple of chapters of the full guide that is included with every propeller download. Print orientation, settings and a look at assembly details show exactly how detailed the instructions are.

Download Preview

Every model that ends up on this site is full scale, historically accurate and made to print clean on a desktop machine. These two downloads will let you confirm that for yourself before committing.