Mini Kotatsu

• Lack table, 55cm x 55cm, 45cm tall
• Floor blanket (slim "kotatsu mattress")
• Top blanket (big and soft quilt)
• Plywood sheet, 55cm x 55cm
  • Sand down edges so it's rounded, then finish
  • Should be heavy enough to hold down top blanket
• Cushions (raising your hips above your knees decreases strain)