visualising

these tasks are from Peter Grabarchuk's fine collection at unipuzzle (cubic puzzles)
or from
Robert Webb's 'Stella' work - free trial software for doing many fascinating things with polyhedra
look for the 'puzzles' section in the gallery tab of the website

or they are versions of their work

 (Robert Webb's)

(based on Peter Grabarchuk's)

 (Peter Grabarchuk's)

(Peter Grabarchuk's)


















(Peter  Grabarchuk's)