Grant Petersen shows how to draw a bicycle frame.

This is pretty cool. In the “Peeking through the Knothole” section of Rivendell Bicycle’s site, Grant is going to walk people… the world, I guess, through how to draw a bicycle frame, one baby step at a time.

Step 1. Get the drawing tools. 11×17 graph paper, 360° protractor, metric ruler, metric triangle, pencil… and an eraser.

I think in an old Reader, he did a similar thing, where he showed you how to make a full-size production drawing of a bike frame. Maybe it was the Bridgestone Catalog.