Supports or rafts: This part does not need supports or rafts. However, if you have issues with bridges because of your slicer software try to use supports.
Perimeters: Use of one perimeter line.
Layer Height: Medium layer height, i.e. 0.15 – 0.2 mm.
Printing speed: Medium with low bridge speed.
Travel speed: High.
Low-cost PLA with unique colors:
Use only one perimeter line