Radiator Pencil Cup - 01 by Antonin_Nosek My exclusive free model for personal use. Check out my process walkthrough for this design! :) https://youtu.be/ZuPXYxAASV0 The file contains optimized 3MF file for Bambu Lab A1 (PLA) and original STL file. Model is not hollow on purpose. If you want to slice on your own you have to use spiral vase mode, or 0 infill and 0 top layers. Print Settings Printer brand: Bambu Lab Printer: A1 Rafts: No Supports: No Resolution: 0.2 Infill: 0% (vase mode, or 2 walls for reinforcement) Filament material: PLA Filament brand: Filament PM Filament color: PLA+ Race Red If you have any questions according to design, DM me. Cheers,AntonĂ­n