With a single mask taking 2.5 hours to print, Zielona Góra couple Łukasz Więcek and his wife Justyna have already printed over 150 of them and are now aiming at over 1,000.
The breakthrough could reduce production costs for anything using precious metals.
Artistic, stylish and chique, the 3D arms from Kraków-based Glaze Prosthetics are taking the world by storm - and now they are in the finals for the prestigious 43North start-up competition in the USA.
The 3D printing technique could slash building costs by as much as 50 percent.
The skeletal remains discovered in Kamień Pomorski in 2014 were initially thought to belong to a man, but then it was discovered they belonged to a woman accused of witchcraft and who was then tortured to death.
Costing around 15,000 PLN, the bikes will emit zero CO2 gases and be extremely lightweight at an estimated 90kg per bike.
CD3D may sound like the name of an ACDC cover band or a Star Wars robot, but in fact it is a brand new 3D bioprinting cluster.
Scientists have collected pancreatic islets from animals and mixed them with bio-inks, a substance with a composition that allows the survival of these cells.