Sail Lifevideo

BUNKER vs. LASER - xTool MetalFab laser welder and CNC Ep. 697

September 27, 2026 · 18 min · 101K views

What this video covers

Fabricating custom stainless steel brackets for a shipping container workshop requires precise laser cutting and welding to ensure structural integrity. Using an xTool MetalFab, 5mm stainless steel plates are cut into brackets to support ceiling joists, with 3D-printed resin thermal breaks added to isolate the metal from concrete surfaces.1:27 The laser welder allows for efficient joining of stainless steel, though achieving clean cuts in thicker material requires sufficient air compressor pressure to prevent dross.8:10 Beyond fabrication, the laser cleaning attachment effectively removes heavy rust and old sealant from a 700-pound steel bunker door, providing a clean surface for applying TotalBoat TotalProtect epoxy primer.11:49 The process demonstrates that laser technology simplifies metal preparation and welding tasks that would otherwise require labor-intensive media blasting or traditional TIG welding. Proper material thickness and gas nozzle selection remain critical for achieving high-quality results in both cutting and welding applications.

Watch on YouTube

Boats in this video

Antares Yachts 44Their boat

More from Sail Life

The road back to boat work: Bunker Makeover! Ep. 696Sep 2026The road back to boat work: The square eagle has landed! Ep. 695Sep 2026The road back to boat work: We're gravel rich & ready for shipping containers! Ep. 694Sep 2026Can I build an aluminum fuel tank with the xTool MetalFab laser welder and CNC? Ep. 693Aug 2026

From Sail Life — see the channel’s boat, crew, and every analyzed video.

The Sailing Directory Newsletter

One email with the fleet's best finds — the moments, boats, and stories worth your watch time. Enter your own address to get your own copy.

Report an issue