Unsere Icons haben wir von folgenden Seiten bezogen

https://www.flaticon.com/free-icon/3d-printer_4228950?term=ruler&page=1&position=33&page=1&position=33&related_id=4228950&origin=search

https://www.flaticon.com/premium-icon/map_1865153?term=map&page=1&position=6&page=1&position=6&related_id=1865153&origin=search

https://www.flaticon.com/premium-icon/give-love_4030613?term=hand%20gives%20heart&page=1&position=6&page=1&position=6&related_id=4030613&origin=search