If you own the DeWalt DW788 scroll saw you may want to take a look at this product. The Lifter is an accessory that keeps the upper arm in the up position while installing blades. If you have been using a block of wood to keep the arm up then do yourself a favor and check out The Lifter at Papa's Workshop. I own this product and can tell you it is easy to install and works great.
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If you would like to have all the patterns in the Scrollsaw Workshop catalog you can buy the first six years DVD and the 2013 update DVD at this link. DVD #1 is $20 and contains over 1,100 patterns. The 2013 update DVD is $7.50 and has another 178 patterns.