J3
Draw a line from the upper line on J6a connecting through the hole on J3
6
7
Fasten K3 to J6a and J3 with a couple of screws so it is centered on the line drawn in step...
On the other side of J3 drill the 8.5mm hole further through K3.
J3
Frame Assembly
J6a
J6a
K3
J3
K3