This is a set of 2 Replacement Helmet Sides (left and right) for your Transformers Energon Optimus Prime. This parts are commonly missing from the figures. These slide onto the original Helmet joint. It works in both Robot and Truck modes. It does not interfere with transformation.
These parts are connected. You will need to separate them and trim off excess plastic with a hobby knife or plastic cutters
This is intended for adult figure collectors. This is not designed for rough play by children.
If you need the anntena, Replacement Antenna Are available here:
https://www.shapeways.com/product/DY9YSB4ND/tf-energon-optimus-prime-replacement-antenna?optionId=148304076&li=shops
This was tested with my home printer, printed in PLA plastic. When fitting the part press firmly and evenly. Do not force the part on, you risk cracking the pieces. Depending on the plastic you choose, sanding or polish may be needed to fine tune the fit.
This has successfuly been printed in Shapeways Processed Versatile Plastic, Natural Versatile Plastic and PA12