There is a nappy sewing workshop planned for Perth during RNW, the workshop is free although you do need to provide your own materials and sewing machine. If you would like further information the contact details are on the Reusable Nappy Week website
Bookings are required.

There are also sewing workshops happening in some other states (ACT & Sydney) so if you arent a Perthie and are keen, check out the website to see if there is one planned near you.