portable 3d printer pen station mod for my spool holder

use glue/3d pen to assemble parts

add steel wool to the pen holder

original model : https://www.thingiverse.com/thing:6247047

3D pen: https://www.geeetech.com/grey-tg21-3d-printing-pen-p-1211.html

Battery adapter: https://www.dewalt.com/product/dcb090/12v20v-max-usb-power-source