Paul Howard's sphere jig.
Designed by Paul Howard and now available from Hopewoodturning.
This jig fits onto lathes with a center height of between 125mm (10" swing) to 280mm (22" swing)
For lathes with a center height of 300mm (24" swing), a riser block can be purchased separately.
Developed by Paul over the years into the solid, accurate, and easy-to-use jig you see today.
The standard jig fits onto most flatbed bars. A version to suit round bed bars is also available to order.