Hackaday (unofficial) September 28, 2021 12:00pm Erasable Pen Ink Adds Colors To 3D Prints #3dprinterhacks #3dprinter #color #erasablepen #ink #software #thermochromic #hackaday posted by pod_feeder_v2 Erasable Pen Ink Adds Colors To 3D Prints Changing colors during a 3D print is notoriously difficult. Either you need multiple heads ready to go during the print which increases operating and maintenance costs for your printer, or you need…