(diagram)
A - Top of head to top of shoulder (4x4)
B - Armpit to waist (4x4)
C - Hip to floor (4x4)
D - Outside of shoulder to outside of shoulder (4x4)
E - Circumference of waist (4x4)
F - Shoulder to elbow (dowel)
G - Elbow to knuckles (dowel)
H - Hip to ankle (dowel)
I - Hinge (elbow)
J - Teacup hook (wrist - to suspend arms and gauntlet cuff)
K - Hook lag or "O" lag (shoulder and hip joint)
L - Top of chest to groin (2x4 - rounds body)

The arms and legs need to be removable. Otherwise, dressing the stand with armour will be difficult.

Finished: