Trending Easy 2X4 Step Stool Plans : In all these free step stool plans, you'll find written building instructions, color photos, diagrams, and user tips on how to make sure your diy project turns out to be a success. There are more than double the number of slats and the 2x stock is longer. Easy 2X4 Step Stool Plans / I cut the 1 x 5 into the following lengths: