RE: [OT] modelling Q

White wood glue (PVA), sprinkled with sand is good.  The sand adds a
surprising amount of weight to any base :)
Den

This e-mail, and any attachment, is confidential. If you have received
it in error, please delete it from your system, do not use or disclose
the information in any way, and notify me immediately. The contents of
this message may contain personal views which are not the views of the
BBC, unless specifically stated.