Wonderfil Threads Can you really use different thread weights in your bobbin and spool? by Paul Leger March 28, 2017 by Paul Leger March 28, 2017 Welcome back! Yesterday, I highlighted some of the many benefits of WonderFil DecoBob Prewound Bobbins. Today, I‘ll show you some of this thread’s benefits in action by using it to sew a quilt block with different thread weights in the bobbin and spool. One of the features I love about … FacebookTwitterPinterestLinkedinRedditWhatsappTelegramEmail