Open-Source Expedition Proa

3000 Years of Ocean Wisdom, Reimagined for Modern Lakes

A fully open-source, CNC-cut sailing proa optimized for fishing, family sailing, and expedition camping. Standing on the shoulders of Micronesian giants.

Explore the Project

OSEP-16 Main Hull: Design

Complete Proa - PopArt

CNC Mill Machine, see here

Hull Mathematics

detailed design document

Foam Hull Design

Hull

Hull PopArt

Ana

Ana

Sailing Rig

Sailing Rig Instructions

Outdated Design Documents

History

Critical Review

review documentation

Materials Shootout