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If you work in mechanical design, product development, or manufacturing, mastering is a game-changer. From brackets and enclosures to complex industrial components – sheet metal parts are everywhere.

Clean up the junctions of bends.

Assuming you have access to CATIA (trial or installed version), here's a simple exercise to create a sheet metal piece:

Create the base geometry of your part.

Create an "L-Bracket." Add a second bend to turn it into a "U-Channel." Use the Unfold tool to see the flat shape.

Create a wall. On the edge, use Wall with Bend . Set a relief of Square 5mm x 5mm . Notice how the corner is cut out when you unfold it.