Leo double-clicked.
Your time is valuable. Stop fighting with software from 2015. Download the trial of Pepakura Designer 603, open your most complex model, and watch the software fly. pepakura designer 603 better
Older versions choked on high-poly models (think Iron Man helmets or anime statues). Version 6.0.3 handles: Leo double-clicked
You can download the latest version from the official Pepakura website . Note that while the download is free to try, a paid license key is required to unlock saving and exporting features. Pepakura Designer: The Gateway from 3D to Paper Artistry open your most complex model
Prepare the model: