When I was in Rome this year for Ciemmona my mate Piero who has just openned a bike shop had made his own bikestand use a clamp I think by BBB weleded to a scaffold pole then using scaffold poles fixed to the floor and ceiling see picture http://farm9.staticflickr.com/8144/7311181528_91789ffc21_z.jpg
When I was in Rome this year for Ciemmona my mate Piero who has just openned a bike shop had made his own bikestand use a clamp I think by BBB weleded to a scaffold pole then using scaffold poles fixed to the floor and ceiling see picture
http://farm9.staticflickr.com/8144/7311181528_91789ffc21_z.jpg
Also pictures http://www.flickr.com/photos/funny_cyclist/7311177112 and here http://www.flickr.com/photos/funny_cyclist/7311179792
On the Lidl stands I bought 4 for the Hackney bike workshop they are rubbish last about three sessions.