Carbon build plate holder / clamp

Additional parts:
-Two or three M3 screws (length 10mm) and nuts (aliexpress, $2)
-A carbon sheet 200x300x0.5mm (aliexpress, $10)
-Silicone remover (e.g. acetone) to initially remove silicon from the carbon sheet

Put the two printed parts and the carbon sheet together as shown in picture three, then put two or three screws through the holes and tighten the structure with the nuts firmly (the upper part should bend). Put the clamps around the z-axis bearings of the printer and push everythi