learnbylayers Teachers tips for 3D printing in the classroom Posted by learnbylayers Categories 3D Printers, Education March 16, 2019 0 By Phil Cotton. Teacher and founder of learnbylayers. When I first started teaching 3D printing in 2011 it was a lonely place. 3D printing in the classroom was a totally new concept. There were no support groups openly available, support … Read More