The entry link works just fine.
You can also go through the green 'Challenge Page' link at the top of this page.

If you're having a problem with this download I suggest the you make/build a similar chair in Bryce or import a like object from another source. I won't disqualify any entry for not using this particular model provided the replacement is more or less the same design.

If you can convert this one through another (heretical) app, feel free. Just don't scream too loud when I make you sit in it. ;-) 

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...