The two pic's below show the process of re-enforcing the Rib surfaces with Cloth Tape to prevent the Rib Stiches from cutting thru the Fabric at a later date....and the process of the Rib Stiching taking place. It took me a while to get the Knots down...now they are progressing just fine and I'm enjoying this phase.....That's good as there are a BUNCH of Rib Stiches to make on the Empenage alone....then there are the 4 wings......Hope the fun part continues for a long time. I'm also very pleased with the results.