ORIPA

ORIPA is a drawing software dedicated to designing the crease patterns of origami. The unique feature of ORIPA is calculation of the folded shape from the pattern.

Functionalities

• Various methods to input lines.
• You can save your crease pattern and folded model as a JPG or PNG image file.
• Cut by Ctrl + x or copy by Ctrl + c, paste by clicking left mouse button. On pasting mode, you can select the origin vertex by pressing Ctrl key.
• Importing other crease pattern is available for any acceptable files such as .opx and .cp.
• Undo by pressing Ctrl + z or clicking right mouse button.
• Redo by pressing Ctrl + y.
• You can select multi-lines by Dragging.
• After selecting lines, you can scale the selected lines by scale mode.
• On delete-line mode, you can delete multi-lines by Dragging.
• The folded shape can be saved as SVG. In the output, each face keeps the pre-creases (Auxiliary lines) on it.
• Multiple crease patterns are supported. However, note that you need to save as single crease pattern if you would like to export the data as other than .opx.