It is easier to cut off a 4 x 12 strip if you have a 12 x 12 sheet first then cut two 3 1 2 pieces from that strip.
How to make a lid out of sheet metal.
The flat pattern of the box is given below.
Repeat steps 1 4 for all other hems.
I want to make a lid for this sheet metal compartment which is supposed to be the air pocket mounted inside the front of a car s chassis.
Step 2 use the cutting torch to cut out each panel and then grind the edges smooth with the hand held grinder.
In response to a question about h.
Pull your handle again to the 180 degree position to better flatten your double layered portion of metal.
With the marker mark off a line 1 2 away from each short edge and one line 1 2 away from one long edge.
Kwandotechnic please like share and subscribe my ch.
These are your bend lines.
Lay out the panels for your box on the sheet metal using the measuring tape and the permanent marker.
Pull your handle to fold your metal over 180 degrees.
Using the gopro hero3 making videos for education.
Remove your now folded metal from the bar folder and place it back on the fold table with the fold facing up.
Kwando technic introduce how to homemade a metal pressing tool.
Lay the bottom on the ground and weld the two ends on first.