This origami preliminary base, also called the square base, is a starting point for many origami models. With this base, you will have nine points to model with.
Download the PDF version of these instructions: PreliminaryBase-Origami-Diagram.pdf
Download the DWG version of these instructions: PreliminaryBase-Origami-Diagram.dwg
Download the CTB file for printing the DWG version: OrigamiPlotStyle.ctb