You can print with PETG/PLA. In my case stack printed with PETG (3 walls, 10% infill), petals printed with PLA (3 walls, 5-7% infill, with supports)

Required hardware

• DIN912
  • 5x M3x30 mm
• DIN 934 (nut)
  • 5x M3
  • 4x M8
• DIN125 (washer)
  • 5x 3.2 mm
• Thread rod M8 as vertical pole
• Bearings
  • 2x688 2RS / ZZ (8-16-5 mm)
  • Or 2x698 2RS / ZZ (8-19-6 mm)