pen / pencil / writing brush / to write or compose / the strokes of Chinese characters / classifier for sums of money, deals / CL:支[zhi1],枝[zhi1]
笔
=
⺮
+
毛
:
Brunhilde (bi) decided to try art for a change and constructs a brush (笔) in the space station (Ø3). She cuts off her long hair (毛) and attaches it to a bamboo stick (⺮) to make her brush (笔).