carpenter's square / rule / regulation / pattern / to carve
矩
=
巨
+
矢
:
Zeus (ju) found the Leshan Giant Buddha's (巨) foot damaged by darts (矢) in the space station (Ø3). He pulls out the darts and wants to repair the damage according to the customs. He already found his carpenter's square (矩), but he just cannot find his compass.