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Published — 27 March 2026 Tips from a Shipwright

Building Orca - Ep. 23: Mold FIVE

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In Tips From A Shipwright – Episode 23 of the Building Orca series, Lou takes the next step in shaping the legendary hull by building Mold #5.

This episode dives deep into the precision side of boatbuilding, where accuracy on the loft floor translates directly to the final form. Lou walks through how to properly offset your lines to account for planking thickness, ensuring the finished hull lands exactly where it should. From there, he demonstrates how to transfer those lofted lines onto the mold stock, keeping everything fair and true.

You’ll also learn how to:

Read and pull bevel angles directly off the loft floor
Execute progressive bevel cuts for a clean, accurate fit
Assemble and align mold sections while only laying out half the mold—letting symmetry do the rest

Whether you’re a seasoned builder or just getting into traditional methods, this episode breaks down techniques that are fundamental to strong, accurate mold construction.

A big thank you to Arnold Lumber for supplying all the wood that makes these molds possible.

Subscribe and follow along as the Orca continues to take shape—one mold at a time.

We want to thank all our supporters and followers for helping us get this far! Keep following us on this journey and check out our website and social feeds for additional content.

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