Stick Stack Color Line Glass Technique

Demo of the Stick Stack technique for lined tubing. Cutting multiple smaller rods, forming them around a tube, and melting them all together. I use a glass tube for the temporary core but you could use a graphite rod as well. Thanks for watching! Subscribe https://www.youtube.com/c/MattJasa?sub_confirmation=1 #Science #Glassblowing #Lampworking