Making a corrugated elbow.
<video controls autoplay loop>
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17155433883134.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
Previously:
Corrugated metal roof making tool for modeling - GIF
Corrugated pipe extruder - GIF
Corrugated plastic cutter - video
Corrugated roofing shear - GIF
Forming corrugated roofing sheets - GIF
Homemade corrugated iron machine - video
Bending a duct elbow to shape - GIF
Downspout elbow bender - GIF
Fitting a PVC pipe elbow - GIF
