Bent Tabs onTrim Tab Skins with wedge blocks made from Trim Tab Clamp Blocks Leftovers Radiused edges 1/32 or as close as I could get. Finished edges with rivet gun set low Clecoed Trim Tab Spars to Skins put Clamp Blocks in place to hold while match drilling Outer Tabs into Inner Tabs Removed blocks and bent lower skin surface aft of Spar 15 degrees as shown on plans. This took some thinking to make bend straight