Assembling your 3D Footy Bill Hagerup. PLA is a tough material to cut or drill. Do not try to cut with a knife or to drill with a conventional bit. Use a Dremel with a thin cutoff disk for all cuts. Use a Dremel with a grinding point for drilling all holes. Use CA or … Continue reading "“Exposed”… Bill Tells How To Construct A 3D Printed Footy."