The blades are cracked down the lines that were lightly cut in the last step. If the blades don't crack easily, cut the lines a little deeper.
TIP: Before using the blade angle guides, wipe out the laser cut ash from the center slots.
Any burnt ash could discolor the balsa when they are slid down the length of the blades.
TIP: Be ready, it's a little difficult getting the #1 guide started on the far end. The angle slot is the opposite form with the high end to the right side.
It might have been easier to wait before gluing the hinge arm on. With the arm in the way you have to slide the #1 form all the way down the blade from the opposite side. It is do-able but had me concerned at first.
The 2 guide goes to the mid point, followed by the 3 near the outside end.
A few drops of medium CA was allowed to run down the cut trench. Go light, don't glue the forms to the blade.
I'll follow up with yellow glue after the forms are slid off.
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