Materials research
PLA for thermoforming-

http://www.growthpack.com/

Recycled plastics+

smile-plastics.com/

https://www.cutplasticsheeting.co.uk/clear-acrylic-sheeting/recycled-clear-cast-acrylic/

www.greencastus.com

Laser cutting services+

https://www.lasindustria.pt (laser, water jet, punching and bending) São Domingos de Rana

http://www.cubotonic.pt (laser, bending, punching and powder coating) Venda do Pinheiro

https://www.ramofabril.pt (laser, bending, tube-shaping and powder coating) Ramada / Odivelas

Silicon for mold making+

https://www.granvelada.com/es/utensilios-herramientas-para-hacer-jabon-hacer-velas/426-comprar-silicona-para-moldes.html

https://www.castrocompositesshop.com/es/siliconas-para-moldes/1307-zc-20-120-silicona-de-condensaci%C3%B3n-shore-a-21.html#/28-peso-1_kg

http://www.formx.es/products/tin-silicones/formsil-silicona/index.php

https://www.formx.eu/molding–casting/index.php

Granulated cork+

www.datapixel.pt/loja/construcao/rebocos/isolamento/granulado-de-cortica-24-kg/

DIY material how-to's+

https://www.instructables.com/id/Recycle-Cardboard-Into-Anything-With-3D-Printing/?linkId=79357951

Wood and sheetmaterial+

https://www.laminarmad.com/