I have received some questions on where to buy the 3D pieces, and how to specify the particular model, color and other options.
You can access it through this link.
The product was published in the website as an open design - you can freely have it produced for yourself - you only pay to the printer, not to the designer. We need to thank Dave Frederickson for publishing it for us all!
Thecalculatorstore.Com has no affiliation whatsoever with the company. In fact, while the product is well designed and fit for purpose, we don’t think it matches the requirement of our customers and therefore we will not put it in our products as a replacement of original parts.