Page 25 Modeling a Mountain Bike

Make a ‘Sweep 1 Rail’ with the curves shown in the two figures below.

Cap the resulting surface.

Revolve the screw curves shown below.

Do a ‘Sweep 1 Rail’ on both pair of curves shown below, and cap.

Loft the curves shown below with ‘Closed’ box checked and ‘Tight’ lofting style.