Dorsey suggests

A. 1:7-21 four horsemen, four smiths (horses of four different colours) who patrol the earth.

B. 2:1-13  man and measuring  line.

C. 3:1-10 High Priests garments – Yahweh’s house purified.

D. 4:1-14 The temple will be completed – Lampstand and olive trees.

C’. 5:1-4 Flying roll – every sinner’s house is cursed

B’. 5:5-11 women and the measuring ephah.

A’. 6:1-8  four chariots (horses of different colours) who patrol the earth.

Does this fit?