3D Printable Optimus Prime Kit – Remix of toymakr3d's g1 optimus to look a bit more like tf: A majority of… | download free 3d printable stl models Discover 3d models for 3d printing related to optimus prime. Download your favorite stl files and make them with your 3d printer. Discover 3d models for 3d printing related to optimus prime. I made a 3d printed optimus prime kit. This should be like a little really simple optimus prime figure, you can paint it or maybe upsize it to make it giant. Download your favorite stl files and make them with your 3d printer. Anyways hope yall enjoy my model. I've always been a fan of transformers figures and wanted to create an easily 3d printable version.