How to build a King Chair
Step 7. Make the king chair base
Angle one edge of the 1 1/2" x 3 1/2" (90mm x 38mm) stock to be used for the base.
Measure (allowing for miter cuts) and cut the front and rear base pieces [h] and the two side base pieces [i].
Bolt the two side pieces [i] to the bottom of the legs and glue and screw the front and rear base pieces [h] to them.
Next screw 1" x 1" (25mm x 25mm) fillets [j] around the inside of the base pieces [h] and [i], 1" (25mm) down from the top.
Cut the 1" x 6" (25mm x 150mm) base boards [k] to length and glue them in place on top of the fillets [j].
You will have to cut around the legs and rip the last board in order for it to fit.