Step 9: Make the First V-Bar
Now we are going to connect up the columns. I'll call these the V-bars because they run Vertically.
A single bar is not long enough to reach the full height of the matrix board, so we will use the Bridge to hold the ends of two bars in line so we can solder them together into one long one when necessary.
I try to pick longer bars to make into V-bars so I have more length to work with. I use the longest ones on the bottom and try to have them long enough to overlap the other half at a crossing point.
Stick bars through the leftmost set of holes on the top and bottom wings. I like to use the tweezers to rotate each bar back and forth to help it slide it though the holes.
Try to leave the bottom bar sticking out the holes by a couple of millimeters as shown.
V-bars always run on the OUTSIDE of the LED leads that they cross. They should just barely brush past, but you can bend some of the leads at the base of the LED if necessary to get the V-bars to line up with the holes.
Make sure that the V-bar is not touching any of the H-bars or joints below it. Hopefully you cut those low enough that there is some air between the H-bar and V-bar layers.
You want at least one of the V-bar halves to make it though the hole in the bridge (I usually try to have it be the bottom one), but you don't need to have them both go though if it is a pain. As long as the two bars are touching enough for you to solder them together into one long V-bar it will work.