Looks like this vase got glitched in a space portal and came out doubled!

For 0.4 mm nozzle

• 4 bottom layers
• layer height - 0.28
• line width - 0.8
• vase mode - on

For 0.8 mm nozzle

• 0.8 mm nozzle
• 4 bottom layers
• layer height - 0.32
• vase mode - on

The bottom of this vase is designed to be printed with four layers of 0.32 mm each. If you plan to adjust the recommended layer height, be sure to account for this by either adjusting the vase position on the build plate accordingly or by modifying the number of bottom layers