The last of the daily downloads dealing with drawing is an extension of the drawing spreadsheet providing 3D perspective projection of wireframes defined by lists of 3D coordinates and connected points.  The spreadsheet was described in:Drawing in Excel 9 – Perspective Projection and the download files are:

http://interactiveds.com.au/software/Plotxyz-xlsb.zip
http://interactiveds.com.au/software/Plotxyz-xls.zip

This was used to plot a Buckyball in: Drawing a Buckyball in Excel , with download file:

http://interactiveds.com.au/software/PlotBuckyBall.xlsb