Triangulation - Drop Cheek Elbow, fabrication

Triangulation - Drop Cheek Elbow, paper layout

Triangulation - Square to Round, fabrication

Various Sheet Metal Seams and Locks

Triangulation - Square to Round, paper layout

Transform Elbow

Fabricating a Radius Elbow

ELBOW TRANSITION OFFSET: How to make/fabricate it? Paano gawin to?

DUCTING ELBOW LAY-OUT/ELBOW REDUCER LAY-OUT

Segment Elbow Bend 90 Degree

On the Job Site Radius Elbow

Triangulation - Transition with 3 sides slanted, fabrication

Radial line development - Rain Cap, fabrication

Transition Offset Elbow

Square to round w/ DM35

Fabricating an Offset using CenterLine Radius

Complete Duct Work fabrication

ELBOW SIKU 90° derajat - MEMBUAT | RUMUS | INSULATION

square neck(DUCTWORK)

Triangulation - Transitional Y Branch, paper layout

Radial line development - Round Reducer, fabrication