Download of CurlyWhirly 1.15.12.10 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. CurlyWhirly lies within Photo & Graphics Tools, more precisely 3D Design.
The most frequent installer filename for the program is: curlywhirly.exe. We recommend checking the downloaded files with any free antivirus. The most popular version among CurlyWhirly users is 1.1. The actual developer of the free software is Information & Computational Sciences, The James Hutton Institute.
From the developer:
CurlyWhirly is an application for viewing multi-dimensional data, with a particular focus on the outputs of Principle Coordinate Analysis and Principal Components Analysis. It features: 3D display of multi-dimensional data, rotate the graph by dragging on the display, zoom in and out of the data set, automatic rotation, and filtering of coloured data points by selecting/de-selecting categories.
You may want to check out more software, such as graphite or Drawing Register Professional, which might be similar to CurlyWhirly.